natural theology

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vol VI: Essays

Essay 20: On leading theology into Cantor's Paradise (2018)

Designing heaven on Earth

Outline

0: Abstract: Form and potential in creation
1: God: From Homer to Lonergan
2: Divine logic, divine dynamics
3: Scientific method
4: Can theology be a modern science?
5: On modelling God: the Trinity
6: Simplicity, dynamics and fixed points
7: Cantor's Paradise
8: Why does the universe become more complex?
9: The logical origin of time and space
10: Hilbert space and quantum mechanics
11: Why is the Universe quantized?
12: Spin and space-time: boson and fermion
13: Entanglement: QFT describes a network
14: A transfinite computer network
15: Lagrangian mechanics and evolution
16: General relativity: the cosmic network
17: Network intelligence and consistency
18: Symmetry, invisibility and scale invariance
19: Physics is mind: panpsychism
20: Humanity: Cutting theology free from politics
21: Conclusion: Life in the divine world
0: Abstract: Form and potential in creation

The Hebrew God, Yahweh, is one. The Christian writers transformed this God into a Trinity of persons, Father, Son and Spirit. We understand a person to be both a sender and receiver of messages, generically, a source.

The classical God has three fundamental properties, it exists, it is completely without structure, and it creates the universe. These are identically the properties of the initial singularity predicted by the general theory of relativity. Starting from the model developed by Christian theologians trying to understand the Trinity, we develop a mathematical scenario for the evolution of our universe from the initial singularity by analogy with the generation of the transfinite numbers in Cantor's set theory. Initial singularity - Wikipedia, Georg Cantor: Contributions to the Founding of the Theory of Transfinite Numbers, Thomas Jech: Set Theory

We understand this evolution to be driven by the Cantor force, a consequence of Cantor's theorem, which demands that a consistent formal system must become more complex. This potential drives the increase of the entropy of the universe. The Catholic theologian Pierre Teilhard de Chardin called this complexification. Teilhard de Chardin: The Phenomenon of Man

Plato guessed that the structure of the observable world is shaped by invisible, eternal, perfect forms. Our world, he thought, is just a pale shadow of these forms. Aristotle brought these forms down to Earth with his theory of hylomorphism which he further developed into the theory of potential and actuality that Aquinas used to lay the medieval foundations for modern Christian theology. This essay follows in the steps of Aristotle by taking the view, like Plato, that forms have a real existence that guides the structure of the world. Theory of Forms - Wikipedia, Allegory of the cave - Wikipedia, Hylomorphism - Wikipedia, Actus et potentia - Wikipedia

The modern version of this idea is quantum field theory, which proposes a space of invisible fields to guide the behaviour of the observable world. This theory is beset by serious problems. Practically, the most acute is the 'cosmological constant problem'. One interpretation of quantum field theory predicts results that differ from observation by about 1o0 orders of magnitude, ie 10100. The philosophical object of this essay is to re-interpret the relationship between mathematical theory and reality in a way that points to a solution this problem. Quantum field theory - Wikipedia, Cosmological constant problem - Wikipedia

To explain this I follow in some detail the long and winding trail from the absolute simplicity of the initial singularity to the majestic complexity of the present universe. This all happens inside the God, not outside as the traditional story tells us. We are part of the divine world, owe our existence to it, share its conscious intelligence, created, as the ancients said, in the image of God. The most powerful product of this intelligence is reflected in the mathematical formalism that shapes our selves and our world.

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1: God — from Homer to Lonergan

A story records a sequence of events. There is plenty of competition for the greatest story every told, but the winner, without doubt, is story of the Universe itself, an exciting cosmic sequence of events that is just beginning for us after a 14 billion year prologue. Chronology of the universe - Wikipedia

There are endless subplots within the cosmic story. In the Western Catholic world a popular contender is the Christian History of Salvation. We have a short fourth century version of this story in the Nicene Creed which was written when Constantine asked the Christian bishops to standardize Christian doctrine within the Empire. An extended modern version of this story is the Catholic Catechism, written to summarize Catholic doctrine after the Second Vatican Council. The Catechism is about 1000 times longer than the creed. Catechism of the Catholic Church - Wikipedia, Nicene Creed - Wikipedia, Pope John Paul II

The God of the Summa is the conclusion of about 1700 years of physical, logical and mathematical thought. This work began about 500 bce when Parmenides and his contemporaries began to think critically about the mythical Gods they had inherited from the poets Homer. Parmenides had the idea that if there was to be true knowledge of the moving universe it must have a still eternal core of perfect truth. This idea was taken up by Plato, who imagined a heaven of eternal forms which serve as perfect exemplars for the imperfect world we inhabit. Plato's student Aristotle was a practical and observant scientist who studied logic, nature, politics and philosophy. He invented a "first unmoved mover" to explain all the motion in the world. Aquinas transformed this being into a model of the Christian God. Homer - Wikipedia, John Palmer - Parmenides, Plato: Parmenides, Thomas Aquinas: Summa Theologica, Robert Graves: The Greek Myths: Complete Edition,

The relationship between a completely simple eternal God and our complex moving world is a very old epistemological issue. It arose from the notion common among philosophers that they could use a theory of human knowledge to understand the nature of the world. This is an anthropic principle. Whatever the Universe is, we say, it is a system capable of creating the Sun, the Earth and conscious animals like ourselves. We owe much of our success to thinking about the past and its lessons for the future. The anthropic principle suggests that by thinking about ourselves, we may hope to learn something about the system which created us. After all, it says in Genesis that we are created in the image of God. Anthropic principle - Wikipedia, Genesis 1:27: God created mankind, Barrow and Tipler: The Anthropic Cosmological Principle

Parmenides and his contemporaries felt that true knowledge is possible only of things that do not change. He therefore postulated that true reality must be immobile, attributing the idea to a goddess:

. . . the goddess greeted me kindly, and took my right hand in hers, and spake to me these words:
. . . One path only is left for us to speak of, namely, that It is. In it are very many tokens that what is is uncreated and indestructible; for it is complete, immovable, and without end. Nor was it ever, nor will it be; for now it is, all at once, a continuous one. . . ..
Nor is it divisible, since it is all alike, and there is no more of it in one place than in another, to hinder it from holding together, nor less of it, but everything is full of what is. Wherefore it is wholly continuous; for what is, is in contact with what is.
Moreover, it is immovable in the bonds of mighty chains, without beginning and without end; since coming into being and passing away have been driven afar, and true belief has cast them away. It is the same, and it rests in the self-same place, abiding in itself. Parmenides: Fragments

Aquinas derived the standard Catholic model of God from Aristotle's theological treatment of the first unmoved mover, found in Metaphysics:

But if there is something which is capable of moving things or acting on them, but is not actually doing so, there will not necessarily be movement; for that which has a potency need not exercise it. Nothing, then, is gained even if we suppose eternal substances, as the believers in the Forms do [ie Plato], unless there is to be in them some principle which can cause change; nay, even this is not enough, nor is another substance besides the Forms enough; for if it is not to act, there will be no movement. Further even if it acts, this will not be enough, if its essence is potency; for there will not be eternal movement, since that which is potentially may possibly not be. There must, then, be such a principle, whose very essence is actuality. Further, then, these substances must be without matter; for they must be eternal, if anything is eternal. Therefore they must be actuality. Aristotle Metaphysics XII, vi, 2

The medieval Christian version of God was built on the unmoved mover. This entity is divine, pure action, enjoying eternal pleasure. Aristotle thought that the first unmoved mover was an integral part of the Cosmos. Aquinas, faithful to his religion, placed his creator outside the Universe. The doctrine of the Summa has never been supeseded in the Church. It remains officially endorsed in Canon Law Aristotle, Metaphysics 1072b3 sqq., Aquinas Summa I, 2, 3: Does God exist?, Holy See: Code of Canon Law: Canon 252 § 3

The Catholic theologian Bernard Lonergan set out to modernize Aquinas' arguments for the existence of God in his treatise on Metaphysics Insight. Lonergan's argument for the existence of God follows a time honoured path. We all agree that the world exists, but we can see (they say) that it cannot account for its own existence. There must therefore be a Creator to explain the existence of the world. This being we might all agree to call God. We might call Aristotle's argument for the unmoved mover physical. He felt that motion could not exist without a first mover. Lonergan set out to argue that God is other than the Universe by following the psychological path pioneered by Parmenides, using the act of human understanding, insight, as his starting point. God, he said, must be perfectly intelligible. But the world is not perfectly intelligible. It contains meaningless data, empirical residue, so it cannot be divine. I think the weak spot in this argument lies in the idea that the world contains meaningless data. Since Parmenides' time we have learnt an enormous amount about our world, as I hope to explain, and it all points to a dynamic and self sufficient, self-explanatory world. The theory of evolution suggests that there is a reason for every detail, it is dense with meaning. Lonergan: Insight, A Study of Human Understanding

So here I set out to explore the idea that the Universe is divine. I assume that it plays all the roles traditionally attributed to God, creator, sustainer and judge. The story of humanity thus becomes part of the story of God, truly the greatest story ever told. If God is observable, theology can become scientific, based on observation, not pure faith, as the Christian churches demand. This hypothesis raises many problems for the traditional view. The most difficult is the extreme contrast between the absolutely simple God imagined by Aquinas and the mystics, and the enormously complex Universe that we inhabit. There is a mathematical answer to this problem, as we shall see in the next section. Aquinas Summa: II, II, 4, 1: Is this a fitting definition of faith: "Now faith is the substance of things hoped for, the evidence of things not seen"? (Hebrews 11:1, KJV), Aquinas, Summa, I, 3, 7: Is God altogether simple?

Implicit in the ancient view is the idea that matter is dead and inert. It cannot move itself. It cannot be the seat of understanding. It cannot be creative. Since the advent of modern physics, founded on relativity and quantum theory, these ideas are history. Quantum theory describes the universe as a gigantic network of communication, a mind. From our point of view the Universe is itself the omniscient mind of God. We move toward this conclusion scientifically, starting, like Lonergan, with an examination of the scientific study of knowledge itself.

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2: Divine logic, divine dynamics
One beauty of the hypothesis that the universe is divine is that it encases the full range of science and human experience within the embrace of theology and puts the same constraints on the universe as we place on mathematics and God, that they be consistent. Mathematical consistency leads us logically to the incompleteness theorems of Gödel and the incomputability theorem of Turing, allowing room in the formalism for variation, indeterminism and free will. Logic - Wikipedia, Gödel's incompleteness theorems - Wikipedia, Turing's Proof - Wikipedia

We begin our study the interior structure of God by considering the evolution of the mathematics industry that probably began about the same time as the invention of writing. Mathematics is central to this story because it gives us the formal tools to model the actual universe.George Gheverghese Joseph: The Crest of the Peacock: Non-European Roots of Mathematics

Like every industry, mathematics has agents and products. The agents are mathematicians, the products are the mathematical literature, particularly the fixed connections between hypotheses and conclusions we call proofs. The mathematicians make the literature, using creative imagination to dream up new proofs and sharing them for testing and further development. The products of mathematics form a backbone for all other industries that use measurement and computation in any form. Mathematical proof - Wikipedia

The development of mathematics looks very like evolution by natural selection. The variation comes from the minds of mathematicians, and selection is the process of proof. A mathematical structure survives if it is provable. It is provable if there is a definite logical chain of inference from a set of hypotheses to a conclusion. Given the assumptions of Euclidean geometry, for instance, the Pythagorean theorem necessarily follows. Logic and arithmetic lie at the root of all computation. Pythagorean theorem - Wikipedia

A key class of theorems for our story here are the fixed point theorems. These theorems explain the relationship between between the absolutely simple God imagined by Aquinas the enormously complex Universe that we inhabit. God is pure activity, pure dynamism. Since we assume that there is nothing outside God (or the Universe) any motion in God can be represented mathematically as a mapping of God onto itself.

Fixed point theorems tell us the conditions under which we find functions f(x) which map the point x onto itself, so we can write f(x) = x. These fixed points of a purely dynamic god-universe are the stable elements of the Universe that we live in and experience. They are the subjects of science, points that stay still a least long enough to observe and perhaps forever. I am a fixed point that will last for about 100 years. Such fixed points are not outside the divine dynamics, they are simply points in the dynamics which do not move. They are analogous to mathematical proofs, fixed points in the space of mathematical discourse. Fixed point theorem - Wikipedia

Plato, following Parmenides, called the fixed points in the world forms or ideas. His forms served both to shape the world and, in our minds, to enable us to understand it. Plato's forms were immaterial and eternal fixed points in the structure of the world, very much like mathematical structures.

The first mathematics had two branches, arithmetic, dealing with numbers and counting, and geometry dealing wth measurement, shapes and space. An important feature of mathematics is its "platonic" approach, abstracting forms from matter. This means that it can talk about infinite quantities such as the natural numbers without considering if they can be physically realized. All that is mathematical structures require is internal consistency. Arithmetic - Wikipedia, Geometry - Wikipedia

George Cantor exploited the formal property of mathematics to prove the existence of transfinite numbers. His work upset some theologians who insisted that only God can be described as infinite. David Hilbert defused this debate by emphasizing that mathematics is a purely formal game played with symbols. All the matters is that proofs and other mathematical operations be logically consistent. Since theologians hold that God must be consistent, it seems natural to use consistent mathematics to model a consistent God. Formalism (philosophy of mathematics) - Wikipedia, Dauben: Georg Cantor: His Mathematics and Philosophy of the Infinite

As suggested above mathematics solves the apparent inconsistency between the ancient idea that god is absolutely simple and the appearance of the universe, which is exceedingly complex. From a dynamic point of view, the complex structure of the fixed points that we observe are consistent with the dynamic simplicity of the universe: they simply elements of the dynamics that do not move. We can see the fixed points. The dynamics are not so easy to see, but the observable fixed points provide us with a map of the dynamics, just as this fixed text maps the dynamics of my mind.

The literature of mathematics is enormous. Here I choose just six elements of mathematics as the backbone for a model of God: mathematical logic, fixed point theory, Cantor's transfinite numbers, Gödel's incompleteness, Turing's computability and Shannon's mathematical theory of communication. On the assumption that the universe is divine, theology, the traditional theory of everything, embraces all the sciences that fill in the details that do not fit in this short essay.

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3: Scientific method

All our stories arise from a combination of observation and imagination. The scientific method formalizes this process into an endless cycle of observation, imagination, observation . . . . Just like driving a car really, keeping a good lookout and correcting course when necessary. If the observations do not match our imagined model, we just need more imagination to fix the model, because we believe that the Universe does not lie, just as we believe that God does not lie.

One of the most frustrating phenomena in life is the inability to understand. This unmet need is fulfilled in a rather random manner by insight, the act of understanding. The archetype of insight is Archimedes discovery that the buoyant force on an object is proportional to the mass of fluid it displaces. In our daily lives we receive a continual stream of information from our environment which we must interpret, and, if necessary, act upon. Some reactions are instinctive, as when we duck to avoid getting hit. Others require a certain amount of thought. Archimedes - Wikipedia

At the further end of the scale are insights that have taken the collective efforts of many people thousands of years to reach. Einstein's general theory of relativity is the culmination of many thousands of years of celestial observation, geometry, mathematics and experience with massive objects. General relativity - Wikipedia

Such is the subtlety and insight of Einstein's work that people may wonder how much longer the general theory would have taken to see the light if Einstein had not done the job. Quantum mechanics, an equally subtle and sharp break from history, was the work of many people, including Einstein, and took 30 years to develop versus the fifteen years or so that Einstein worked on relativity. Albert Einstein: Relativity: The Special and General Theory

Einstein devised a mathematical model whose numerical inputs and outputs exactly mimic the behaviour of the cosmos to the precision of current measurements. He had complete confidence in the theory:

The chief attraction of the theory lies in its logical completeness. If a single one of the conclusions drawn from it proves wrong, it must be given up; to modify it without destroying the whole structure seems impossible. Einstein: Einstein's Essays in Science, page 59

All science begins with a similar steps: people familiar with a body of data want to understand how it all fits together. When an answer comes that fits the data already in hand, the next job is to test it by applying it to new data. The difference between science and pure fiction is that the fictions of science are tested against reality.

Another common feature of scientific models is that they are expressed, at least partly, in mathematical terms. One advantage of mathematics is that loses nothing in translation. It has its own unique and almost universal symbolism. Mathematical models looks the same to everybody who understands them, regardless of their native language.

One of the most important mathematical foundations of science is the theory of probability. This theory tells us what things look like when there is nothing happening. So we expect equal numbers of heads and tails when we toss a fair coin. If we get heads every time, it does not take long to suspect a two headed coin. Statistical tests of data, based on the theory of probability, enable us to decide whether something is worth a closer inspection.

The purpose of scientific method is to guide us toward true knowledge. What do we mean by true? The ancient definition is that a sentence is true of it accurately reflects reality. "John is in the bath" is true whenever John is in the bath, and false otherwise.

Some sentences are easily checked. One looks at the toaster to see if it is true that "the toast has popped". Others need careful checking. Are we the cause of global warming? A large amount of theory and data points in this direction, so the current consensus is that we are, but of course there are holdouts, some with vested interests in the old ways.

Science is methodical. The first step is to decide if we are seeing some sort of systematic behaviour, or are we simply looking at random events. We collect as many observations as possible and use statistical methods to answer this question. If we see a strong coupling between phenomena, the next step is to find mechanisms to explain this coupling. We know for a start that such couplings are established by communication. The problem then is to understand the channels and codes that support the correlations that we see. When it comes to global warming we have been aware of the mechanism for more than a century. We know that carbon dioxide and other "greenhouse gases" make the atmosphere less transparent to infra-red radiation, thus trapping more of the Sun's heat on Earth. History of climate change science - Wikipedia

A most significant step in twentieth century physics was the development of quantum mechanics to explain the relationship between radiation and matter. Spectroscopic observations in the nineteenth century revealed that atoms and molecules emit and absorb certain fixed frequencies of electromagnetic radiation called spectral lines. Spectral lines are characteristic of particular atoms and molecules and enable us to identify particular substances. As the precision of our measurements has improved we have learnt that these frequencies are fixed in nature with very high precision. To date we have constructed clocks based on atomic frequencies that are accurate to about one second in the life of the universe. The world does have a fixed core, as Parmenides suspected. Atomic clock - Wikipedia, W. F. McGrew et al: Atomic clock performance enabling geodesy below the centimetre level

There are many other features of the world which operate with mathematical precision. All these features involve counting in one form or another. So we learn when we are quite young that three apples plus three apples is six apples, and that this is an irrefutable truth. The mathematical operations of counting, measuring and arithmetic form an unimpeachable foundation to all forms of design, accounting, banking, engineering, practical everyday trade and the rules of sports and games.

The application of scientific method, formally or informally, has been the foundation of all the technological improvements in human health and wellbeing. An important part of this function is identifying situations where things are going wrong in order to make corrections. The causes and effects of climate change are particularly important application of this role, as are the many other instances of damage to our global environment arising from uncontrolled pollution and the destruction of the environmental processes upon which we depend for our existence. Carl Safina: In Defense of Biodiversity: Why Protecting Species from Extinction Matters

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4: Can theology be a modern science?

We are living on an extraordinarily complex planet in a the enormous universe that emerged (we believe) from a point source about 14 billion years ago. We attribute three properties to this source, it exists, it is structureless and it is the source of the universe. The traditional Christian God has the same three properties. The aim of scientific theology is to devise a new story of creation, explaining emergence of our present state from its source, God or the initial singularity.

In science the foundation of truth is observation. The Christian God is, by definition, invisible. Consequently Christian theology cannot be a science in the modern sense. The Catholic Church claims a monopoly on true knowledge of God. This magisterium of the Catholic Church is based purely on faith. The Church considers faith to be a virtue. On the other hand it may be foolish to believe the unbelievable on the word of a self interested corporation. Magisterium - Wikipedia

In the early days Christian ideas attracted some of the most gifted and educated scientific and political people in the Mediterranean area. A selection of these, the Fathers of the Church, have left us hundreds of volumes of commentary on the Bible and Christianity. Their work was synthesized against a background of Plato and Aristotle's philosophy, science and logic by Thomas Aquinas, who began writing his Summa Theologica (Summary of Theology) in 1265. Church Fathers - Wikipedia, Richard Kraut - Plato (Stanford Encyclopedia of Philosophy), Christopher Shields (Stanford Encyclopedia of Philosophy): Aristotle

Catholic theology sees itself as is a deductive science. It deduces its conclusions from principles per se nota, that is obvious tautologies, and from the divine revelation curated by the Church. Both the truth of the Bible and the reliability of the Church's interpretation of the Bible must be taken on faith. Aquinas, Summa, I, 1, 2: Is sacred doctrine a science?

The dramatic reign of the mythical gods began to crumble about 500 bce when scientifically minded people began to criticize them. In the next 1700 years philosohers and theologians built what looked to them like a mathematically and logically perfect God. Aristotle, Plato's student, laid the foundation of this God with his theory of potency and act. The world moves. Motion, says Aristotle, is the passage from potency to act. For Aristotle it is axiomatic that no potency can actualize itself. Every act must therefore be caused by an agent already in act, which lead him to postulate the first unmoved mover, a purely actual entity devoid of potential.

Aquinas follows Aristotle in teaching that God is pure act. Aquinas' model of God is the starting point for this essay. My intention is to extend this model to the point where it can encompass both the completely simple God envisaged by Aquinas and the enormously complex Universe we see. Our first step is to construct a model that embodies this transformation and then apply and test it. Formally the classical Christian God is identical to the initial singularity predicted by general relativity. Both are structureless sources of the Universe. Our model should, therefore, also be able to handle the transformation from God and the initial singularity to the current Universe. Aquinas, Summa, I, 3, 7: Is God altogether simple?

The traditional story in Genesis is that God exercised its unbounded power and wisdom to create a world other than itself. This immediately raises a problem if we think that God is the realization of all possibility. How can it create a new world if it is already everything that can possibly exist? We do not face that problem here because we identify God and the world. What we do have to explain is how the initial point of the universe, whether we call it God or the initial singularity, differentiates into the huge and complex Universe that we occupy. We need a model that provides a logical explanation of this creative process. This model would be a foundation for scientific theology.

Our plan is to model the Universe as a layered communication network developed by analogy with systems like the internet. In practical networks, the lowest layer is the physical information transmission equipment made of wires, fibres and electromagnetic waves. The topmost layer is the users, ourselves. In between we have layers of software that perform various tasks. Each layer uses the systems provided by the layer beneath it to contribute to the layer above it. In the world, we, the human layer, rely on the layers below us which provide us with the time, space, energy and materials for life. We each contribute to the social and political layers above us. It is in the interests of the higher layers in this system to look after the lower layers upon which they depend. For us, this means that we must preserve the Earth if we are to survive. In a divine world, we must care for God because God cares for us. OSI model - Wikipedia

This network serves as a model of God connecting the ancient ideas of God to the Universe we observe. In the network model of the divine Universe, the lowest layer corresponds to the absolute simplicity of the classical God. The topmost layer, on the other hand, the universe as a whole, corresponds to the detailed knowledge and power of the classical God. The layers in between describe the spectrum of divine dynamics from absolute simplicity to unbounded complexity.

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5: On modelling God: the Trinity

Aquinas derived all the traditional properties of God from the assumption that God is pure act. On the other hand the fact, revealed in the New Testament, that God is a trinity of persons is completely out of the range of philosophical theology, and flies in the face of the ancient view that the Hebrew God Yahweh is most decidedly the one true God. The Christians derived their idea of God from Yahweh of the Hebrew Bible. The Trinity was invented by the authors of the New Testament. How could the unity of God be reconciled with the triplicity of the Trinity? Initially, this was just considered one of the many mysteries revealed by God, but explanations slowly emerged. Trinity - Wikipedia, Hebrew Bible - Wikipedia, New Testament - Wikipedia

The first clue is in John's gospel, which begins: "In the beginning was the Word, and the Word was with God, and the Word was God." (John, 1:1). This sentence may allude to the ancient psychological belief that the source of the words that we speak are the mental words that enter our consciousness as we think about what we want to say. Because God is absolutely simple, theologians hold that attributes which are accidental in the created world are substantial in God. God's Word, therefore, is identical to God. The author of the Gospel identifies this word with Jesus, the Son of God, the second person of the Trinity, who "was made flesh and dwelt among us" (John 1:14). The Gospel according to John

The writers of the Nicene Creed were simply expressing Christian belief without trying to explain it. Augustine of Hippo, however used John's idea to produce a psychological model of the Trinity based on human relationships. Aquinas developed this idea in great detail starting with the procession of the Word, the second person of the Trinity. He saw his procession as analogous to understanding, the act of intelligence. The third person, the Holy Spirit, proceeds conjointly from the Father and the Son, corresponding to love, the act of will. Augustine of Hippo - Wikipedia, Augustine: On the Trinity, Aquinas, Summa, qq 27-43

Aquinas explains that the persons of the Trinity are distinguished by their relationships to one another. The Father has the relation of paternitas to the Son, and the Son the inverse relation of filiatio to the Father. He notes that there are no proper names for the relationships established by the will, so relationship between the Father and Son and Spirit is named for the act, spiratio, and inverse act is called simply processio.

Since God is absolutely simple, all its attributes are substantial and identical to itself. So in God essence and existence are identical, as are the relationships that distinguish the persons of the Trinity. There is not much to be said about God so conceived, which is why Aquinas, following Dionysius the pseudo-Areopagite, tells us that we cannot say what God is, only what it is not. Pseudo-Dionysius the Areopagite - Wikipedia, Apophatic theology - Wikipedia

The simplicity of God creates a logical contradiction when we come to the Trinity. The Father is not the Son, and yet both are identically God. One way to resolve this problem is to think of God as a space. Each of the persons exists in the divine space, yet they are all distinct. This is exactly analogous to a room full of people each occupying a personal space which distinguishes one from the others. Thus the Trinity suggests a logical model for the emergence of space-time within God. We will return to this below.

Aquinas explains that the relationships between the persons are created by their origins. They proceed from one another. In the human world, I am a father, and my fatherhood extends well beyond the moment of birth through my ongoing communication with my children. In practical terms relationships are created by communication. I have no immediate relationship with people I do not know although we are all related indirectly through society and our common descent from the earliest forms of life. Tree of life (biology) - Wikipedia

Communication is copying. The sender sends a copy of the message to the recipient and receives a copy of the reply. The Father copies himself to create the Son. Insofar as the Trinity is part of the world the next logical step is to look at it through the eyes of quantum mechanics. But first we have to build a framework for quantum theory.

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6: Simplicity, dynamics and fixed points

Continuity has two broad meanings. The first applies to stories and other logical structures. A good story is a continuous narrative that reaches a satisfactory conclusion. The second applies to physical structures and events like lines and motions. We call the first logical continuity, the second geometrical continuity.

The geometric continuity is closely related to motion. It is smooth like the flow of a fish through water. The continuity of stories, on the other hand is real, but not smooth. We see this best in the movies, where stories are told in a sequence of scenes. We snap from one scene to another, but as long as they fit together and make sense the story flows. Just like daily life, which is a fluid sequence of discrete events, doing the dishes, changing nappies, running for the bus . . ..

Aristotle defined 'continuous' as having points in common, some sort of overlap, as in a chain. Geometers, on the other hand, see a continuum as a series of points. This version of geometric continuity now dominates mathematics. It culminated in Cantor's development of point set theory which we discuss in the next section. Point (geometry) - Wikipedia

The development of a continuum out of points was not easy because the two concepts are contradictory. A continuum is featureless. A point on the other hand is a feature, isolated and addressed. The continuum as studied by mathematical analysis works on the principle that if we squeeze enough points into a small enough space we may say the result is continuous. In a continuous line, there is always another point between any two points. In the real numbers, there is always another number between any two numbers. This theory is a mathematical creation and it may be that no true geometric continuum exists in reality. Leopold Kronecker has been quoted as saying "God made the natural numbers; all else is the work of man." From a physical point of view, everything we observe is quantized, even motion, which occurs as tiny events measured by a quantum of action. Planck constant - Wikipedia, Leopold Kronecker - Wikipedia

From another point of view, a point and a continuum are very much the same. A point is an isolated entity addressed by a real number, it has no size and so may be considered. A continuum is also featureless. Since neither has any structure, we may call it simple. The first attribute of God that Aquinas derived from the existence of God is simplicity. This suggests that we may think of God as a point or a continuum, so that it shares the same split personality as the mathematical continuum composed of points, something we have already observed in the doctrine of the Trinity.

We proceed here on the assumption that the important form of continuity relevant to understanding the Universe is logical continuity. In fact all our mathematical proofs about geometric continuity are logical. The archetype of logical continuity is a mathematical proof, an formal chain of connected logical steps leading from an hypothesis to a conclusion. We see the observable world as quantized, digital and logical, a connected story of discrete events. We will describe it with a transfinite version of a computer network. Implicit in this model is the idea that proper way to understand the divine Universe is psychological, through intelligence and mind.

Our first step is to use the logic of the mathematical theory of fixed points to make a connection between the actus purus, omnino simplex God of Aristotle and Aquinas and the exceedingly complex cosmic system of which we are a part. The world looks complicated enough to the naked eye, but we must remember that the finer and finer structure of the Universe continues down to a scale of billionths of billionths of a millimetre and beyond. The basic process of the Universe is pixellated in units of Planck's constant, which is exceedingly small by human standards, about 10-34 Joule.second.

Mathematicians establish the logical connections between a set of hypotheses and a conclusion through a proof. Such a connection yields a theorem. There are a large number of mathematical theorems, and some of them have many proofs. New proofs of old theorems often serve to link different branches of mathematics together.

We write mathematical proofs in a specialized language which we hope will make things very clear and concise. We may think of a written proof as the software of a machine which executes the proof. That machine is often the mind of a mathematician, but computers can perform similar tasks. At least they can check the process even if they do not understand where it is going.

Although everything we see in the world is discrete object or event, most philosophers and scientists since time immemorial have considered the world to be continuous. The most likely explanation of this state of affairs is that motion appears continuous. While a ball might be a distinct object, its moves through the air on a continuous trajectory.

We use functions for the mathematical description of motion. When a wheel revolves, points that were initially in one place are mapped to a new place, and the complete rotation of the wheel may be represented by a function that describes the mappings of all the points of the wheel at each instant of its rotation. We find a fixed point at the centre of the wheel which is mapped onto itself by these functions. A mathematical version of this intuitive result is the Brouwer fixed point theorem.

Brouwer's fixed point theorem tells us that a continuous function f(x)from a compact convex subset of Euclidean space to itself has a point x for which f(x) = x. Euclidean space is considered to be infinite in all three dimensions. A subset of Euclidean space may be either the whole space or some part of it. A set is compact if it is closed (containing all its limit points) and bounded (having all its points within some fixed distance of each another). It is convex if no straight line between any two points in the set goes outside the set. Brouwer fixed point theorem - Wikipedia, Compact space - Wikipedia, Convex set - Wikipedia

A subset of Euclidean space is not a very good model of God of course. A more suitable model of God would contain just one axiom: God is self consistent. Not even God can do something inherently inconsistent, like 'squaring the circle' or 'creating a stone heavier than it can lift'. Aquinas, Summa I, 25, 3: Is God omnipotent?

Can we prove a fixed point theorem on the strength of consistency alone? That is by using the type of proof known as the via negativa or reductio ad absurdum. In both cases we show that denying the hyopothesis leads to contradiction. In other words the hypothesis is a tautology, a built in feature of the symbolism.

Here we come up against a paradox of set theory known as Cantor's paradox. Cantor proved that given a set of a certain cardinal, there is always a set with a greater cardinal, a consequence of the 'axiom of the power set'. Thus we cannot have a largest set, since the axiom would demand that it immediately generate a larger set, and so on without end. We cannot therefore talk about a greatest set, and so we do not have a candidate set to represent God. Cantor's paradox - Wikipedia, Jose Ferrerros: "What Fermented in Me for Years": Cantor's Discovery of the Transfinite Numbers, Axiom of power set - Wikipedia, Hallett: Cantorian Set Theory and Limitation of Size

Whatever God is, we can only talk about subsets of it. And as long as these subsets fulfill the hypotheses of some fixed point theorem, we can expect to find a fixed point within them. Insofar as there may very large number of ways of mapping a subset of the universe onto itself, we can expect to find a correspondingly large number of fixed points.

We can imagine that the subsets of God 'cover' God, so that there is a good chance that the existence of fixed points in the divinity is logically necessary, insofar as a dynamic God (pure actuality, actus purus) would be inconsistent if it did not have fixed points.

Almost everything in the Universe moves. Photons travel at the velocity of light. Tectonic plates move a few centimetres per year, and most other velocities fall somewhere in between. We say, following Einstein, that all motion is relative. We only become aware of motion when we can comparing something 'moving' with something 'still'. Which is moving and which is still depends on our point of view. Nevertheless, some things, like mathematical theorems are considered to be eternal, and there are also physical properties of the world, like the quantum of action and the velocity of light which are considered to be fixed and eternal. As Parmenides and his followers felt, the universe has a fixed unchanging core beneath the endless flow of change.

The mathematical treatment of continuity has a long history. Parmenides' student Zeno supported his master by devising a series of mathematical proofs that motion is impossible, that is self contradictory. Zeno raised questions of continuity and infinity that are still open today.

One is the paradox of Achilles (a very fast runner) and the tortoise (traditionally very slow). As Aristotle puts it:

In a race, the quickest runner can never overtake the slowest, since the pursuer must first reach the point whence the pursued started, so that the slower must always hold a lead. Aristotle, Physics, VI, ix: Achilles and the tortoise

The point of interest here is that Zeno has constructed a logical argument about continuity and started a long tradition of discussion about the relationship of 'logical continuity' to 'physical or geometrical continuity'. Geometrical continuity is established by proximity. The Bolzano-Weierstrass theorem tells us the story. As things converge, points get closer together approaching but never reaching zero distance. This mathematical notion of 'limit' serves to bridge the conceptual gap between continuity and pointlikeness. The mathematics of the continuum is generally held to be consistent, but we may ask, in the light of the physical quantization of all observations, if it truly represents reality. Completeness of the real numbers - Wikipedia, Bolzano-Weierstrass theorem - Wikipedia

Logical continuity, on the other hand is not based on spatial closeness but on interaction of symbols represented in some medium, which might be a human mind, a motion picture or the whole Universe. In mathematics logical continuity is demonstrated by proof. Formally a proof comprises an unbroken chain of logical statements that couple a set of hypotheses to a conclusion. The Pythagorean theorem tells us that given Euclidean geometry, the square of the hypotenuse of a right angled triangle is equal to the sum of the squares on the other two sides. This can be proved in hundreds of ways.

In reality, a proof is mechanical, process a represented by sequence of physical events, like the decoding of DNA into protein, the electronic steps in a digital computer, or the molecular processes in a system of nerves and muscles. Every event is an act of communication constrained by the logical continuity (computability) of the algorithms for encoding and decoding messages. We might imagine that the future processes itself into existence using the resources of the past. To go further into this we explore a mathematical space big enough to represent the universe, Cantor's transfinite numbers.

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7: Cantor's Paradise

Aus dem Paradies, das Cantor uns geschaffen, soll uns niemand vertreiben können.
No one shall expel us from the Paradise that Cantor has created.

David Hilbert: "Über das Unendliche" [On the Infinite] in Mathematische Annalen 95, (1926) Peter Macgregor: A glimpse of Cantor's paradise

Mathematics is very much involved with infinity. The simplest infinity in the mathematical toolbox is the set of natural numbers, N = {1, 2, 3 . . . }. We construct each new natural number by adding one to the one before it. There is no reason for this process to stop, so there is no largest natural number. The natural numbers are infinite, endless. Peano axioms - Wikipedia

Natural numbers are good for counting discrete objects like sheep and beans, but they are not so good for measuring continuous quantities like mass or length. To do this, we need to introduce fractions. A very interesting distance is the length of the diagonal of a unit square. If we measure it with a tape graduated in natural numbers, we find that distance is somewhere between 1 and 2.

To get a better measurement, we can use a tape with fractions and approximate the length of the diagonal, which the Pythagorean theorem tells us is the precisely the square root of 2. Progressively more accurate measurements are 1.4, 1.41, 1.414 and so on. Mathematicians proved in ancient times, however, that there is no fraction (that is no rational number) exactly equivalent to the √2. Square root of 2 - Wikipedia

This led to the development of the real numbers, which have been constructed so that there is a real number corresponding to the length of every line such as the diagonal of a unit square. This correspondence established a firm connection between arithmetic and geometry. Until the time of Descartes and his invention of Cartesian coordinates arithmetic and geometry had remained more or less separate mathematical subjects. , Rene Descartes - Wikipedia

We may consider a point as a named (numbered) symbol "which has no part". The cardinal of the continuum then becomes the cardinal of the set of real numbers. Toward the end of the nineteenth century, Georg Cantor asked how many points it takes to make a real continuous line, in other words, what is the cardinal of the continuum? He set out to find a representation of this number. Euclid: Elements, Real number - Wikipedia, Cardinality of the continuum - Wikipedia

Cantor revolutionised the symbolic space and methodology of mathematics when he published his papers on transfinite numbers in 1895 and 1897. Georg Cantor: Contributions to the Founding the the Theory of Transfinite Numbers (online)

Cantor's idea is to generate new cardinal numbers by considering the ordinal numbers of sets. The foundation of the whole system is the set N of natural numbers, which is said to be countably infinite. Since there is no greatest natural number Cantor invented the symbol 0 to represent the cardinal of N. 0 is the first transfinite number.

Cantor's idea was to exploit position and order (as used in the decimal system) to generate ever larger numbers. N has a natural order, 0, 1, 2, . . .. We can permute this order in 0! (factorial) ways to create the set of all permutations of the natural numbers whose cardinal we assume to be 1. The cardinal of the set of all permutations of permutations of the natural numbers becomes 2. This process can be continued to produce the endless hierarchy of transfinite numbers. Factorial - Wikipedia

This huge space of numbers, known as the Cantor Universe, provides us with sufficient numbers to address all the fixed points in the universe, no matter how many there may be.

There are 1 permutations of the 0 elements N but Turing found that there are only 0 computable algorithms available for computing these functions. This suggests that a large proportion of all possible permutations are incomputable. This constraint imposes boundaries on stable, that is computable, structures in the universe.

Cantor believed that the transfinite number system is capable of enumerating anything enumerable, and so cannot be further generalized. Thus the transfinite numbers provide a space of symbols large enough to encompass anything that mathematicians may imagine, and provides us with a mathematical tool to help represent a divine universe constrained only by consistency.

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8: Why does the universe become more complex?

The Hebrew god Yahweh was one God. The Christians introduced the Trinity, which at first glance looks like three Gods, although Christian theologians insisted that God was still one, but comprised three distinct persons, Father, Son and Spirit. The creation of the Trinity is more dramatic than theological. It helps to make the Christian story more coherent. God the Father is the Christian transformation of Yahweh. God the Son became Jesus of Nazareth, the human destined to be sacrificed to placate the Father for the disobedience of the first people. God the Holy Spirit serves to guide the Church that Jesus founded to propagate his message of redemption to the world.

Here we have laid a foundation for the identifying God and the world by identifying the classical Christian God with the initial singularity on the grounds that both are completely simple sources of the universe. The Trinity provides a foundation for the Christian story. The standard explanation of the big bang is that the enormous concentration of energy in the initial singularity quite naturally produced all the particles and structure of the current universe. It is an unquestioned assumption in physics that where there is enough energy new particles will appear. The theoretical foundation of this observation is the relativistic equivalence of mass and energy. Massive particles may annihilate to liberate energy, energy may create new massive particles. Francisco Fernflores (Stanford Encyclopedia of Philosophy): The Equivalence of Mass and Energy

We begin with the ancient tradition that God is pure act (actus purus). Actus and act are used to translate two Greek Aristotelian terms, energeia (ενεργεια) and entelecheia (εντελεχεια). Energeia means activity or operation. Entelecheia means full or complete realty. Between them these terms capture the essence Aristotle's and Aquinas' understanding of God. Here we equate them to the word action used in physics. Action, S has a precise mathematical definition in both classical and quantum physics: it is the time integral of the Lagrangian, L. The Lagrangian is the difference between the kinetic energy and the potential energy of a system expressed as functions of time, L = KE - PE.

S = ∫ L dt

Action (physics) - Wikipedia, Lagrangian - Wikipedia

Here I guess that the first step in the complexification of the universe is the emergence of energy. Energy is the time frequency of action, expressed in physics by the Planck-Einstein relation E = ℏω, where ℏ is Planck's quantum of action and ω measures frequency. Here we understand the quantum of action as the fundamental unit of measurement in the world and see it logically as the difference between p and not-p. Every action changes things, annihilating one and creating another. This definition establishes the equivalence between physics and logic which underlies the picture of the divine universe developed in this essay. Philip Goff et al., (Stanford Encyclopedia of Philosophy): Panpsychism

I am setting out to model the divine universe as a computer network. As we have already noted, practical networks like the internet are constructed in layers, starting with a physical layer at the bottom and building up to the layers of users at the top. The layered network idea may give us a means of classifying and ordering the appearance of new features in the growing universe as it complexifies.

Each layer of the system uses the facilities provided by the layer beneath it to perform its task and its output is used by the layer above it. We consider the universe to have a similar structure. We identify the fundamental physical layer as the classical God or the initial singularity. The next layer is energy, which serves as the input to gravitation and quantum mechanics. These layers in turn serve the large and small scale structures of the universe which have evolved over the fourteen billion years since the initial singularity began to differentiate.

This layered structure models the increasing complexity of the universe as time goes by. We might ask: why does this happen? Why did the universe simply remain, like the classical God, a structureless eternal entity. A first possible answer to this question is to be found in a combination of Cantor's formal development of the transfinite numbers, the cybernetic principle of requisite variety and the evolutionary ideas of variation and selection.

Cantor proved that given a set with a certain cardinal number of elements, there necessarily exists a set with a greater cardinal number. If we can apply this theorem to a universe with a certain number of elements, the formalism may compel us to admit that the number of elements in this universe will increase, that is it will become more complex. This suggests that we might call the gradient of the potential which moves the universe to complexify the Cantor force. Since the transfinite numbers grow very fast, this gradient is very steep and the force consequently strong. We might see it as the force behind the "big bang" which is postulated to have begun universe. Cantor's theorem - Wikipedia

Gödel proved that any logically consistent formal symbolic system with a sufficient number of elements will be incomplete. In other words, it will be able to form true propositions which can neither be proved or disproved, so introducing uncertainty. The principle of requisite variety, derived from this result, tells us that no system can deterministically control a system more complex than itself. This means that the past cannot control the future if the universe becomes more complex as time goes by. Gregory J. Chaitin: Gödel's Theorem and Information, Ashby: An Introduction to Cybernetics

Evolution proceeds by variation and selection. We expect variation to occur because simple systems cannot control more complex ones. Every system except the whole universe exists as a subystem of a larger system, which it cannot therefore control. This is analogous to the fact that words themselves cannot form meaningful sentences. Sentences may be seen the products of a random concatenations of words, most of which do not make sense. As I write, I act as a higher layer, selecting from all possible sentences those that correspond to the meaning I am trying to express. Even though incompleteness and incomputability make it difficult to predict which of the systems created by such random variation will survive, nevertheless the surviving systems chosen by higher layers are in effect true propositions in the Gödel sense, and so add more complexity to the overall system. From this point of view, creative variation and selective choice operate at all levels in the universal network.

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9: The logical origin and time and space

What is the universe made of? Some would say energy, but here we will go one layer deeper and say that the universe comprises a multitude of actions. This answer is consistent with the idea that universe is divine, and with the proposal by Aristotle and Aquinas that God is pure act. Every action is measured by the quantum of action, the atomic action. In our macroscopic world the numerical value of the quantum of action is tiny, but small actions blend seamlessly to constitute large actions. The largest action of all is the life of the universe itself.

We may assume that quantum of action in itself has no particular physical size, only a logical definition. An action is something that changes a system, what was once p becomes not-p. Any system of units has to start somewhere, and we take the quantum of action to measure the primordial undefined event. Once the size of the universe becomes sufficiently large, there can be any number of not-p, available for a to be transformed into, and the transformation requires a minimum of one quantum of action, but there is no fixed maximum. The quantum of action, the velocity of light, the charge of the electron, the gravitational constant and so on provide physical foundations for our systems of units, and appear to be defined with absolute precision, which suggests that they are built on logical foundations which we are seeking to bring into the light.

Each layer in network model uses the resources provided by the layer beneath it to perform tasks which serve as resources for the layer above it. Here we consider the initial singularity to be the root of the Universe, and we identify this singularity with the classical model of God produced by Aristotle and Aquinas.

Aquinas follows the Christian faith in believing that God is the creator of the world. He used the fact that God is pure actuality to give very abstract arguments for the classical attributes of God, simplicity, immobility, eternity, life, truth, goodness, omniscience and omnipotence. It is not easy to see how some of these attributes fit together. How can an absolutely simple being be omniscient if it has no internal structure to store information about the enormous complexity of the universe? We overcome this problem by identifying God and the Universe. We preserve the simplicity of God by imagining that it is one dynamic system whose fixed points are parts of the dynamics, as mathematical fixed point theory suggests.

The current theory for the origin of the universe is known as the "big bang". This model assumes that the universe began as a pointlike initial state of zero size, infinite energy density and infinite temperature. This state may be physically impossible just like the God it replaces, but serves as the theoretical starting point for much of modern cosmology. An alternative approach, suggested by Richard Feynman and favoured here, is that the total energy of the universe has been at all times zero. This is possible because energy comes in two forms, potential and kinetic energy whose algebraic sum may be assumed to be zero. Big Bang - Wikipedia, Feynman: Feynman Lectures on Gravitation

We are proceeding here in the basis of two principles, laws or symmetries: first, to be is to be consistent; and second, derived from this, the principle of symmetry wth respect to complexity, meaning that the consistency principle applies at all levels of complexity, from the initial singularity, modelled on the the absolute simplicity of the traditional god, to the exceedingly complex state of the we currently observe.

The principle of symmetry with respect to complexity suggest that we can use the behaviour of mathematical community as a guide to modelling the universe at every scale. We see this community as a network of people sharing all sorts of messages, the most characteristic of which are the fixed logically consistent propositions we call theorems. Theorems are created by the unconstrained imagination made possible by incompleteness (Gödel) and proved by logical chains of reasoning or computation (Turing).

The history of mathematics suggests that it is a recursive process, beginning with the simple arithmetic and geometry of counting and measuring, and generating layer after layer of more complex formal structures which have turned out to be very useful for modelling ourselves and the world we occupy. We may attribute this consistency to the fact that both the world and mathematics share the same property of consistency. Eugene Wigner: The Unreasonable Effectiveness of Mathematics in the Natural Sciences

Philosophers debate whether mathematics is purely a human creation or whether it exists in the world independently of us and we discover it, rather as we discover new laws and symmetries of nature. Plato thought that mathematics is part of the world, one of the many forms that guide the world. Legend has is that the words "Let None But Geometers Enter Here" were inscribed above the entrance to the Platonic Academy. At the other extreme is the view that mathematics is a purely human creation. Here I feel that mathematics is effectively part of the world, but as Einstein points out:

It seems that the human mind has first to construct forms independently before we can find them in things. Kepler's marvellous achievement is a particularly fine example of the truth that knowledge cannot spring from evidence alone but only from the comparison of the inventions of the intellect with observed fact.

So it was that only after we had invented radar and sonar that we were able to understand that bats also used echolocation. Here, therefore, we imagine that it has first been necessary to invent mathematics in order to realise, as Wigner has pointed out, that it is embodied in the world and provides us with a universal language for describing our total environment, that is for a theology. Platonic Academy - Wikipedia, Philosophy of Mathematics - Wikipedia

The theory of relativity which defines the large scale structure of the universe, tells us that gravitation sees only energy and is completely blind to all the different forms that energy can take. Quantum mechanics tells us that that energy is a measure of the rate of action expressed by the Planck-Einstein equation, E = hf, where h is Planck's constant and f is frequency, the inverse of duration, the time it takes an event to occur. If a repeated event takes a tenth of a second, its frequency is 10 times per second, 10 Hertz (10 Hz). Hawking & Ellis: The Large Scale Structure of Space-Time, Planck-Einstein relation - Wikipedia

In classical mechanics all physical quantities are expressed in terms of three 'dimensions' mass (M), length (L) and time (T). Velocity, for instance, is distance divided by time, so its dimension is L/T = LT-1. Energy is measured as mass multiplied by the square of velocity, so its dimension is ML2T-2. Action, which is the product of energy by time, has the dimension ML2T-1 which is the same as angular momentum, which is the product of momentum by radius of gyration, ie mass x velocity x radius, ie ML2T-1. At this fundamental level, however, we may consider action to be a scalar quantity, having no specific dimension, which implies that in quantum mechanics the dimension of energy is simply inverse time, T-1 as suggested in the paragraph above.

The Standard Model of physics takes space-time for granted, and sees it as the domain for many different fields corresponding to the many different fundamental particles that we observe in the world. Here we view space-time as the second layer of structure to emerge from the initial singularity, built on energy and time, energy being the time rate of action, action the time integral of energy. It is not a passive backdrop for the world, but an active participant, a reservoir of energy from which the word is constructed. The question is what is the relationship between quantum mechanics as described in Hilbert space and the four dimensional spacetime in which we live?

So let us consider the logical source of energy to be the not operator which transforms p into not-p. We can understand the source of energy in the universe is a system in which it is true that not-not-p = p. Logic is such a system. Logically p and not-p cannot exist at the same time in the same place. In other words the creation of not p in such a system annihilates p and vice versa. So, in the broadest sense, energy measures the rate of change in a dynamic universe.

We have something like a clock, tick replacing tock, tock replacing tick and so on. This is a clock with ticker but no counter. If we could count the ticks of this clock, we would observe energy, the rate of action. Since down here in the pointlike foundation of the universe there are no observers, we can imagine that both energy and action exist, and are measured by the rate at which something happens. Energy measures the rate at which "before" becomes "after". Aristotle defined times as "the number of motion according to before and after". This definition of time is closely related to his definition of motion, which is in turn related to his definition of nature, the principle of motion. Aristotle (Time): Physics 219b sqq, Aristotle (Motion): Physics 201a10 sqq, Aristotle (Nature): Physics 192b22 sqq

These definitions are almost tautological, and are consistent with the idea that any process yields the two forms of energy, potential and kinetic. The state p is potentially not-p, and not-p which is potentially p, potential energy. One is real, the other is possible, ie consistent but non-existent. We see an analogy in quantum field theory. A field is a formal mathematical entity which if properly conceived is self consistent. The addition of energy to a formal mode of the field creates a particle. Losing the energy annihilated the particle. Algebraically, these two forms of energy add up to zero, so the transition from action to energy creates something new by the bifurcation of something old, and we imagine this to be the fundamental mechanism of creation with conservation. What is created is a new layer in the universal network. What is conserved is the layer beneath it.

In modern physics the conservation of energy is the second fundamental symmetry of the universe after the conservation of action.. The energy of the universe remains constant, possibly zero, as time goes by the physical equivalent of eternity. Conservation holds if we count kinetic energy as positive and potential energy us negative. A frictionless pendulum, for instance, would swing forever transforming potential energy into kinetic energy and back again. If this is the case, we no longer have a problem with the infinite energy density of the initial singularity. Conservation of energy - Wikipedia, Simple harmonic motion - Wikipedia

In this picture, the first physical particle to arise from pure action may be the photons, which carries one quantum of action in the form of angular momentum or spin, and space-time frequency in the form of energy and momentum which are are coupled by the quantum of action. We cannot observe a photon without annihilating it, but if we could the Lorentz transformation predicts that it would appear to have zero length and its clock would stands still. The path taken by a photon is a null geodesic, so that the space-time interval between the creation of a photon and its annihilation is zero. Lorentz transformation - Wikipedia

How does space-momentum arise from energy-time? So far we have guessed that the logical operator responsible for energy is not. The not operator performs simultaneous creation and annihilation, annihilating one state while creating the other, like a pendulum, annihilating potential energy to creating kinetic energy and vice versa. Here not-notnop ie nothing happens, and we return to the initial state. Mathematically, we have a cyclic group of two operations, not and the identity element nop.

Now we imagine that the next step in the emergence of the universe is the advent of space. The ancient theoretical starting point for the complexification assumed here is the Christian doctrine of the Trinity. One historical representation of the Trinity, known as the Shield of the Trinity, illustrates that there is a certain mysterious inconsistency in the Trinity which has been a stumbling block for theologians ever since the Trinity became part of Christian doctrine. God is both one and three. The Father is God, the Son is God and the Holy Spirit is God, yet the Father is not the Son, the Son is not the Spirit and the Spirit is not the Father. How can this be? Nicene Creed - Wikipedia, Shield of the Trinity - Wikipedia

So let us envisage a system in which both p and not-p can exist simultaneously and interpret this as the origin of space. A space is, by definition, a state where two or more distinct systems can exist simultaneously, like you and me. From this point of view, the Trinity may be seen as a three dimensional space with three orthogonal dimensions, each of which is not the other. This idea, that space serves to reconcile the existence of contradictions, may be a key to explaining the complexification of the universe

Our method here is to try to imagine what the universe was like at the very beginning when it had first just one state, existence, like the classical God, two states, three states and so on. Without going into too much detail, we can proceed on the basis that these states are logically distinct. The next step is to explore the physical implementation of this logic which is best decribed by quantum mechanics.

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10: Hilbert space and quantum mechanics

We can use the complex plane to represent the circle group, that is the group of all the complex numbers with absolute value 1. These numbers lie on a circle of radius 1 in the complex plane, and may be used to represent angles, phases or times. A full circle is 360 degrees or 2π radians so that angular frequency, ω = 2πf, where f is frequency measured in Hertz. Planck's constant h is often divided by 2π to give ℏ so that we can write E = ω. In the previous section we identified repeated action of the logical operator not as the source of energy. The circle group provides as continuous representation of this operation, one full circle of the group being equivalent to two not operations, bringing the system back to its initial state. In other words, not is equivalent to a phase change of π radian. Circle group - Wikipedia

A cartesian space is a set of points with numerical addresses. It may have any number of dimensions. Intuitively, we best understand the three dimensional space in which we live. The address of each point is a string of numbers, one number corresponding to each dimension. Such a string is a vector, so there is a vector corresponding to every point in a space. All our engineering, architecture and mapping on Earth is worked out in three dimensional cartesian space.

Quantum mechanics works in complex Hilbert space. The state of a quantum system is represented by a vector |ψ>, in this space. State vectors are normalized to one so that all the points represented lie on the surface of multidimensional sphere. Each component of each vector is in effect circle group whose rate of rotation (ie frequency) is proportional to the energy it represents. The sum of the energies corresponding to the each dimension of the hilbert space is the energy of the whole system. All these frequencies are linearly superposed to give a dynamic multidimensional waveform which represents the overall evolution of the system. This wave is not observable, but the mathematical formalism can be interpreted by the Born rule and the eigenvalue equation to give physically observable results. Hilbert space - Wikipedia

Perhaps the most important feature of quantum theory is linearity. Although vectors are more complex than simple numbers ("scalars") they can be added and subtracted simply by adding and subtracting corresponding components. Any state vector can be represented by a linear superposition of a set of orthogonal basis states |i > with the corresponding set of coefficients Ci :

|ψ> = ∑i Ci |i >.

We may then ask: what do the base states mean physically. What are the base states of the universe, and how can we represent them? In the current state of the universe, this question is very difficult to answer because the universal system is so complex. Feynman Lectures on Physics: III:8 The Hamiltonian Matrix

All complex Hilbert spaces are formally identical, the only difference being in the number of dimensions, which we imagine to run from 0, a point space, through the transfinite numbers. von Neumann: Mathematical Foundations of Quantum Mechanics

All the information we have about a physical state is encoded in the direction of its representative |ψ> in its Hilbert space. The dynamics of a quantum system is represented by a partial differential equation which models the transformations of state vectors. These functions are continuous like the real wave functions we use to describe vibrating strings and other forms of wave motion

The hypothetical continuous complex evolution of the quantum wave cannot be observed so that we can only guess at it from the particles that emerge in the process of observation or measurement. Nevertheless the formalism predicts accurate results so our faith in it is strong. Mathematical formulation of quantum mechanics - Wikipedia, Wojciech Hubert Zurek: Quantum origin of quantum jumps: breaking of unitary symmetry induced by information transfer and the transition from quantum to classical

Quantum mechanical interactions between two systems, each of which is described by a Hilbert space of a certain dimension, take place in the tensor product space of the two interacting systems. In other words, interactions have the effect of increasing the complexity of the system. Interaction or observation is thus a source of increased complexity, that is of creation. Tensor product of Hilbert spaces - Wikipedia

As Zurek explains, the two interacting systems must share a common set of orthogonal basis states for the interaction to proceed and information to be shared between the two systems.

An observation is modelled by the interaction of a measurement operator or 'observable' on a quantum system. Mathematically an observable is a matrix with one or more eigenvectors, that is vectors whose direction is not changed by the operation of the matrix. These eigenvectors are the fixed points of the measurement, which yields eigenvalues corresponding to the eigenvectors. The problem is that while a quantum state is understood to be the superposition of a number of eigenvectors, only one of these is revealed at each observation. The situation is analogous to the roll of a die. Each face of the die is a discrete observable, but the face that we actually observe appears at random.

We imagine an observation as a message passed between two subsystems of the Universe. The security of this message and the stability of the Universe, are guaranteed by the quantization predicted by Shannon's mathematical theory of communication. This theory, like other mathematical theories, appears to be 'built in' to the Universe, an appearance consisted with mathematical fixed point theory.

Physical motions are described by the energy equation: dψ/dt = Hψ. H is a Hamiltonian or energy operator, which encodes how the elements of the vector ψ transform with time. In quantum mechanics, frequency is directly related to energy by the relationship f = E/h, where h is Planck’s constant. Quantum mechanics yields results through two further equations, the eigenvalue equation and the Born rule. These equations serve to pick observable results out of the infinity of possibilities offered by the energy equation. Eigenvalues and eigenvectors - Wikipedia, Born rule - Wikipedia

The eigenvalue equation defines the fixed points of the energy equation. In the terminology above, we read Hψ = kψ, where we now think of H as a measurement operator or observable. This equation picks out the scalar values k which correspond to eigenfunctions, that is the fixed algorithms, of the operator H. An observer using the operator H will see only those eigenvalues k which correspond to eigenfunctions of the operator H..

A classical experimenter expects to see just one result (within errors) for each experimental setup. Quantum mechanics, on the other hand, can yield many different outputs from the same input.

There is no way to predict the exact outcome from a given input, but the Born Rule predicts the probability that we will observe a particular eigenvalue k. Experimental physicists must repeat identical initial conditions many times to estimate the probabilities of various possible outcomes.

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11: Why is the Universe quantized?

Before we go on we must deal with an issue of great importance, quantization. Quantum mechanics and quantum field theory have been developed to explain the behaviour of the particles that we observe in the universe. These theories model both the nature of the particles and the frequencies and outcomes of their interactions. Quantum mechanics reached a definitive expression in the work of von Neumann and Dirac in the late 1920's but the union of quantum mechanics and special relativity which yielded quantum field theory took another twenty years of so to emerge. Dirac: The Principles of Quantum Mechanics

The principal conceptual difficulty in quantum mechanics lies at the interface between the continuous mathematics used to describe the hypothetical processes underlying physical observations and the discrete or particulate nature of what we actually observe, ranging from fundamental particles through planets to galaxies and beyond. This is known as the quantum mechanical measurement problem, often described as the 'wave function collapse'. Wave function collapse - Wikipedia

Continuous mathematics is in the first instance a human invention which was perfected in the nineteenth century. It has been generally assumed that the universe is continuous, and so it seems legitimate to apply continuous mathematics to the universe. But is the universe really continuous in the mathematical sense? Or are the dynamics of the universe worked out in terms of a discrete atom of action, the quanta of action?

Since Newton's time, the mathematical heart of physics has revolved around differential equations. The basic idea is that if we can describe the local behaviour of a system by a differential equation, we can then extrapolate to its global behaviour by integrating that equation. In Newton's case, the differential equation of interest is a second order differential equation relating force to position (x) and time (t):

F = m d2x / dt2

By solving this equation using the force predicted by the universal law of gravitation, Newton was able to compute the orbits of the known planets and moons of the solar system. Differential equation - Wikipedia, Equations of motion - Wikipedia, Newton's law of universal gravitation - Wikipedia

The invention of differential and integral calculus placed new emphasis on the mathematical problems of infinity and continuity that were first raised in ancient times by Zeno and his contemporaries. Zeno's paradoxes - Wikipedia

The standard definition of the derivative of a function y = f(x) with respect to the independent variable x is:

dy/dx = the limit as h → 0 of [f(x + h) - f(x)] / h

Differential calculus - Wikipedia

The important point of this definition is contained in the notion of limit. We are trying to find the derivative of the function at a given point x where h in the above equation is zero, but we cannot let h actually reach zero or we would be dividing by zero and the derivative would become infinite. The Archimedean property of real numbers suggests that there is no infinitely small element of the sequence of real numbers h, so that h always stays a "safe" distance away from 0. This suggests that the differential does not apply exactly at x but over the small interval between x and x + h. In mathematics this interval may be as small as we like, but in the real world of physics, its minimum size may be related to Planck's constant, ℏ, the physical equivalent of an "infinitesimal". The mathematical theory of communication may explain why this is so. Archimedean property - Wikipedia, Infinitesimal - Wikipedia

As a matter of fact, everything that we observe is quantized, beginning at the microscopic level studied by quantum physics. We see only discrete particles and quanta of action. A stable network, which we may take the universe to be, requires error free communication. The mathematical theory of communication shows that we can defeat error by encoding our messages in packets that are a long way apart in message space, so reducing the possibility of confusion, the source of error. This is in effect quantization.

From a mathematical point of view, a message is an ordered set of symbols. In practical networks, such messages are transmitted serially over physical channels. The purpose of error control technology is to make certain that the receiver receives the same string as the transmitter sends. This can be checked by the receiver sending the message back to the transmitter.

The mathematical theory of communication developed by Shannon shows that by encoding messages into discrete packets, we can maximize the distance between different signals in signal space, and so minimize the probability of their confusion. This theory enables us to send gigabytes of information error free over noisy channels. In our own bodies quantum processes enable trillions of cells each comprising trillions of atoms and molecules to function as a stable system for something approaching 100 years. Claude E Shannon: A Mathematical Theory of Communication, Khinchin: Mathematical Foundations of Information Theory

Shannon's represented his theory using two real function spaces, one representing messages, the other the signals used to transmit the messages, and modelled coding process as the mapping of one space to the other. Using this representation, he determined the maximum rate of transmission of binary digits over a communication system when the signal is perturbed by various types of noise. Claude Shannon: Communication in the Presence of Noise

Shannons theory is implemented by encoding messages into a noise resistant form by the transmitter and decoding the transmitted signal to recover the original message. Encoding and decoding were initially performed by analogue electronic systems, as in frequency modulated wireless transmission. This work is now done by computers, and is bounded by computability. Frequency modulation - Wikipedia, Codec - Wikipedia

A system that transmits without errors at the limiting rate C predicted by Shannon’s theorems is called an ideal system. Some features of an ideal system are visible in quantum mechanics:

1. To avoid error there must be no overlap between signals representing different messages. They must, in other words, be orthogonal. This is also the case with the eigenfunctions of a quantum observable.

2. Such ‘basis signals’ may be chosen at random in the signal space, provided only that they are orthogonal. The same message may be encoded into any satisfactory basis provided that the transformations used by the transmitter and receiver to encode the message into the signal and decode the signal back to the message are inverses of one another. Like the codecs used in communication, quantum processes are reversible.

3. The signals transmitted by an ideal system are indistinguishable from noise. This is because their entropy is at a maximum. They cannot be compressed by an algorithm. The fact that a set of physical observations looks like a random sequence is not therefore evidence for meaninglessness. Until the algorithms used to encode and decode such a sequence are known, nothing can be said about its significance. Entropy (information theory) - Wikipedia

4. Only in the simplest cases are the mappings used to encode and decode messages linear and topological. For practical purposes, however, they must all be computable with available machines. The limit on computability found by Turing also places a limit on coding.

5. As a system approaches the ideal, the length of the transmitted packets, the delay at the transmitter while it takes in a chunk of message for encoding, and the corresponding delay at the receiver, increase indefinitely.

A network is essentially a system of processors communicating through a set of memories. A message is in effect a memory carried through space and time. To communicate, one computer will write something in the memory of another. The recipient will read that memory to receive the message. Some memory may be isolated to a single stand-alone machine. Other memories have physical network connections which enable them to read from and write to each other over great distances. Even a single computer is a network. The only real difference between a computer and a network is that a network may have many processors operating at different frequencies, whereas all the operations in a computer are synchronised by a single clock.

The most significant difference between classical physics and quantum theory is, as the name suggests, quantization. Every discrete operation in the Universe comprises one or more sub-operations which are also discrete. Since there is a smallest discrete operation, the quantum or atom of action, it becomes possible to establish correspondences between the discrete symbols of mathematics and discrete events. Various functional relationships between symbols have been found to model the behaviour of the real world. This is logic or arithmetic, which meet in the binary number system which may represent either numbers or truth values. Quantum - Wikipedia, Truth value - Wikipedia

Here we come to the basic conundrum of quantum mechanics, one that baffled Einstein. He remained convinced till the end of his life that a true model of the world would be causal, giving definite outputs for definite inputs. Quantum mechanics does not do this to the same degree as classical mechanics. Quantum mechanics behaves more like a communication source. A source A as imagined by Shannon has an alphabet of letters ai each of which is emitted with probability pi. The letters emitted by a quantum source are called eigenvalues and they are emitted with characteristic probabilities just like the letters of a communication source. These probabilities, like the probabilities of the emission of letters of a communication source, are normalized to 1. Although quantum mechanical eigenvalues appear to be determined to a very high degree of precision, like classical physical values, their occurrence is probabilistic. Classical physics, as Einstein understood it, is completely deterministic, not just in the value of its parameters, but also in the sequence in which these values occur.

Einstein maintained that the classical special and general theories of relativity were causal theories because interactions could only occur between elements of the universe when the interval between them was zero. This claim was based on the nature of infinitesimals in the definition of the interval ds in the equations ds2 = ημνdxμdxν in special relativity with the metric ημν and in general relativity with the metric gμν. As discussed above, the Archimedean property may not necessarily imply an interval of zero. Here we prefer to think of causality in terms of logical rather than geometric connection or continuity.

Quantum mechanics describes communication network between two or more sources. Eigenvalues are the content of the messages transmitted on this network, which we can observe with our own senses or suitable machinery. The eigenfunctions are the algorithms used by the system to encode and decode these messages. This coding is necessary to prevent error in the network, as we have noticed. The particles we observe, defined by the eigenvalue equation, are messages on this network. The frequency spectrum of these messages is computed using the Born rule.

From this point of view a quantum system is like a source or a computer in a computer network. Each source in a network has an alphabet of symbols, corresponding to quantum mechanical eigenvalues. This essay is a source encoded in the alphabet of english text. Some of these symbols, like the letters space, e, t, o, i, n are more frequent that others like q, k, x, y z, a situation similar to the different frequencies of eigenvalues predicted by the Born rule. Although from a statistical point of view, the occurrence of letters in this essay may appear random, to a reader of english who knows how to decode them they make sense. We may suspect similar meaning in the quantum mechanical messages shared by elements of the universe.

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12: Spin and space-time: boson and fermion

Developments in science often give new meaning to old terms. The two ancient words of most interest here are potential (Greek dynamis, Latin potentia) and act (Greek energeia or entelecheia, Latin actus) key terms in the philosophy and theology of Aristotle and Aquinas. The history of science is punctuated by paradigm changes, rather as the history of politics is punctuated by wars and revolutions. Kuhn: The Structure of Scientific Revolutions

The key axiom of Aristotle's physics is that no potential can actualize itself. This axiom is the foundation for both Aristotle's and Aquinas's proofs for the existence of God, as we saw in section 1. This axiom does not hold in modern physics. Here potential energy and actual or kinetic energy are exactly equivalent. We see this in periodic systems such as pendulums. At the top of its swing the pendulum is momentarily at rest, and all its energy is held as potential energy. At the bottom of its swing the pendulum has maximum velocity and all of its energy is kinetic energy. If there were no friction a pendulum would swing forever, converting potential energy into kinetic energy and back again. The key axiom here is the principle of conservation of energy, the sum of the potential and kinetic energy remains constant as time goes by. Kinetic energy - Wikipedia, Potential energy - Wikipedia

The ancients, like Parmenides and his successors, thought that there must be something unchanging to give meaning to the moving world. The conservation of energy serves as an eternal foundation for modern physics. It is a symmetry, something that stays the same while other things change. A wheel is symmetrical. It stays the same as it rotates. Symmetries are the foundations of modern physics and the conservation of energy is the second most fundamental.

The most fundamental symmetry of the universe is the conservation of action, a term which has been given a new mathematical definition in modern physics. An action is any event, of any size. It definition is logical rather than physical. An event or action changes something, p, into something else, not-p. Its measure is in effect one bit of information. The physical size of this bit may be any step from being to not being, from the birth of a galaxy to the emission of a photon.

How does this definition fit the modern quantum of action, which has a very precisely defined physical measure, represented by the Planck's constant, h. h, specified in terms of conventional units of energy and time, is a very small number, about 10-33. How can we say it measures the formation of a galaxy, for instance? We cannot. What we can say is that it is the basic unit for measuring the Universe, and it dates from a time when the Universe was very small. The actual formation of something a large as a galaxy requires a vast number of these elemental actions whose physical size was fixed forever near the moment of creation.

In physics, the Planck constant is a measure of angular momentum, which has the macroscopic dimensions of energy.time, that is ML2T-1. This is the change angular momentum which occurs, for instance, when an electron changes its state from "spin up" to "spin down". Down at this primitive level of the universe, the only meaning we attribute to up and down here is that up = not-down. An electron is permanently "spinning" with angular momentum ½h, so that when its spin is reversed, the change is ½h + ½h = h.

It is easy enough to imagine the angular momentum of a spinning ball or top, but it is not easy to imagine a spinning electron, particularly since it is conventionally held to be a point particle. It is something of a mystery how it carries its angular momentum, but it surely does. We must just follow our mathematical noses and see that the physics of spin is logically consistent even though it is hard to picture.

Electrons also have a fixed mass and a fixed electric charge and emit and absorb photons when they change they state of motion. Electrons and photons are examples of the two classes into which all fundamental particles fall, bosons, which have integral spin, and fermions, which have half integral sin.

One of the most important discoveries in quantum field theory is the spin-statistics theorem, which explains the relationship between particle spin and the structure of space-time. We find that any number of identical bosons may occupy the same spatial state but only one fermion can occupy each state, a situation known as the Pauli exclusion principle. Spin-statistics theorem - Wikipedia, Streater & Wightman: PCT, Spin, Statistics and All That

Einstein's theories of relativity explain the structure of space-time. The special theory deals with flat, fixed, inertial space-time. The general theory deals with the curved dynamic space-time from which the universe is built.

Traditional efforts to prove the spin-statistics theorem take space-time and the velocity of light as given and use these properties to explain the behaviour of fermions and bosons. Here I wish to explore the alternative, that the behaviour of fermions and bosons explains the structure of space-time and the velocity of light. The properties of space-time, and the velocity of light which couples space to time, are consequence of quantum theory rather than its causes. In other words, quantum theory is prior to special relativity. The first step toward this conclusion is to interpret quantum theory field as the description of a computer network.

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13: Entanglement: QFT describes a computer network

We work here on the assumption that quantum mechanics describes the deepest inner working of the universe. We have guessed that the first logical step in the creation of the universe within God is the emergence of energy and time through the bifurcation of action into potential and kinetic energy. Potential energy motivates change, kinetic energy executes it once a consistent path for action becomes available. The analogue in writing is to find a form of words to embody the idea pressing for expression which creates a potential in my mind. Energy is the foundation of both quantum mechanics and general relativity, the two most fundamental theories of the universe.

Processes in corresponding layers (‘peers’) of two nodes in a network may communicate if they share a suitable protocol. All such communication uses the services of all layers between the peers in a particular layer and the lowest physical layer which, by hypothesis, is equivalent to the traditional God. These services are generally invisible or transparent to the peers unless they fail. Thus two people in conversation are generally unaware of the huge psychological, physiological and physical complexity of the nerve and muscle systems that make their communication possible. Here at the bottom of the universal network just one step away from the absolute simplicity of the initial singularity, we expect communication protocols to be very simple, little more in fact than an exchange of formless energy, analogous to a power network.

The simplest expression of the mathematical formalism of quantum mechanics is the Planck-Einstein equation, E = hf which relates energy to time through frequency, the constant of proportionality being Planck's constant, h. We may simplify even further by setting h = 1, to give E = f. Moving in the opposite direction, we have the energy equation, a simplified version of the Schrödinger equation:

iℏ ∂/∂t |ψ> = H|ψ>

which tells us that the time rate of change of the quantum state |ψ> is proportional to the that state multiplied by the energy operator H. In this expression the state vector |ψ> may have any dimension and H is a square matrix of corresponding dimension. Unless some boundary conditions constrain this equation, it's full representation requires a space of infinite dimension. Because the equation is expressed in complex numbers, the general solution is a set of periodic complex exponentials corresponding to waves of different frequencies (and energies) so this equation is also called a wave equation. Each of these solutions corresponds to an instance of the Planck-Einstein relationship for one of an infinite range of frequencies. Schrödinger equation - Wikipedia

The mathematical formalism of quantum mechanics may be interpreted as the program of a universal computer network, also known in physics as an equation of motion. It is a form embodied in the world which controls its motion. The mathematics yields two sets of outputs, one through the eigenvalue equation, which determines the nature of events, and the other through the Born rule which determines the frequencies of these events.

The Born rule computes the probable coupling between two events by superposing the amplitudes of the two events and squaring the result. This definite procedure yields a definite result, but it is only a definite probability. Given the geometry of a fair coin, we can reasonably expect approximately equal numbers of heads and tails in a long sequence of tosses, but past results have no bearing on future results, so on every throw the probabilities of heads and tails remain equal. We can imagine a quantum "throw" as tossing a coin with an infinity of differently weighted sides. The sum of the probabilities of the outcome is 1.

We can hear the superposition in music, and to varying degrees pick out the contribution of each individual instrument in a large orchestra. This is a "real" superposition. We cannot, however, observe the the solutions to the quantum wave function because it exists in the complex domain and is not observable. Instead we can attribute a complex "probability amplitude", ψ to the solutions to the wave equation, and the theory tells us that the probability of the event corresponding to this amplitude is the absolute square of the amplitude, ie probability P = |ψ|2.

From a communication point of view, quantum mechanics may be seen as modelling the flow of information in a network. Communication theory defines a source A by the set ai of the symbols which it can emit and the frequency pi of each of these symbols. These frequencies are normalized by the requirement that i pi = 1. The eigenvalue equation yields the actual values of the symbols ai emitted by a quantum source, and the Born rule yields the probability pi of emission of each of the eigenvalues corresponding to the eigenvectors of the measurement operator. From this point of view, particles are the messages inout to and output from a quantum event.

The similarity in the statistics of quantum and communication sources is reflected in the processes that generate their output. The implementation of Shannon's ideas requires the transmitter to encode messages in a noiseproof form and the receiver to decode the signals received. Engineers first achieved this coding and decoding using analogue methods, but the full power of error control requires digital computations. The layering of engineered network software transforms the human interface to the physical interface in a series of steps. All of these transformations are performed by digital computers. The functions used must be invertible (injective) and computable with the machinery available. The power of Shannon's method lies in encoding messages into large blocks that are far apart in message space so that the probability of confusion in minimised. We guess that the quantization of the messages emitted by quantum systems has a similar role in ensuring error free communication in the universe.

Formal methods have proven very powerful in mathematics, logic and the theory of computation, but formalism can do nothing by itself. This is its strength, since it is not intrinsically limited by a need for energy or material embodiment. On the other hand, if it is to be of any use, it must be implemented in some way. The two principal implementations, apart from the quantum world, are human minds and computers. Since computers are a relatively simple technological artefact compared to a human brain, this section is confined to developing an analogy between the quantum mechanical description of the physical world and the work of a generic digital computer network.

A computer is a mechanical implementation of Boolean algebra. It is a network of 'gates', physical elements that can represent and execute the operations of Boolean algebra. This algebra is quite simple. It is a set of elements, functions and axioms. The elements have two states which we may represent by '0' and '1', 'true' and 'false', 'high' and 'low' or any other duality. There are three functions, often written 'and', 'or' and 'not' which are defined by truth tables. There are four axioms. Boolean algebra is closed, meaning that boolean operations on boolean variables always leads to boolean results. It is also commutative and associative, like ordinary algebra, and distributive, and taking precedence over or. Such a network can (in principle) do anything that a Turing machine can do. Boolean algebra - Wikipedia

A practical computer like this laptop comprises inputs and outputs, memory and processors. I am the user, controlling the machine with a keyboard, trackpad and screen. The machine is also connected to various networks and portable memories. We may divide the information in a computer into two principal classes, program and data. In a digital computer, both these classes comprise physical binary representations of information, but their roles are different. The program determines how the processor transforms the data from input to output. The program is the factory, the data the material. Computer architecture - Wikipedia

All information is represented physically. The binary representation of data requires two physical states which must be well distinguished to avoid confusion and error. Binary logic also has two states, true and false, which also require physical representation. The symmetry between logic and data makes it possible to design universal computers which may be loaded with different algorithms to apply different processes to data. In electronic machines, states are usually represented by two voltages, high and low which are mapped to truth states true and false or to the data states 0 and 1.

The computer operates by changing the physical states which represent the information being processed. At various points in the system states representing 0s and 1s are being created and annihilated. These state transitions are controlled by logical pulses from a clock which is a two state device regularly cycling from 1 to 0 and broadcasting its state though the system to synchronize all the other operations.

We understand a computer as oscillating between motion and stasis, rather like a pendulum. At a certain moment, all the physical representatives in the machine are static, formally representing the momentary state of the machine. At a signal from the clock, a cycle of change begins and the machine begins to move along a logically determined trajectory from the 'before' state to toward the 'after' state.

After a short period, all the electronic states in the machine settle down to their next static values and await the next signal from the clock to take the computation another step forward. All the dynamic state transitions are in effect hidden between the clock pulses. In this way the the machine executes a form of time division multiplexing, stepping between static and dynamic states to execute its computation. Time-division multiplexing - Wikipedia

Although quantum mechanics is used extensively in designing the physical logic of a computer, the computer itself is essentially a classical machine whose operations can be observed by classical methods. In the 1980s Richard Feynman and others realized, however, that one could devise quantum mechanical operators that performed logical functions. Since that time the disciple of quantum computing and quantum information has grown enormously and is beginning to move from academia to engineering. There is a difficulty however. Although the quantum formalism is believed to work perfectly like a deterministic analogue computer which can, in theory, perform tasks which cannot be performed by a classical computer, we can only obtain the results specified by the Born rule, so that most of the information potentially carried by the continuous quantum formalism is lost in the quantized observations that we can make. Ashley Montanaro: The past, present and future history of quantum computing, Nielsen & Chuang: Quantum Computation and Quantum Information

The principal function of a network is copying. When I speak into my phone, the analogue sound signal is digitized and a copy of it transmitted to my listener. Unless I have set the phone to record the conversation, the signals I am sending and receiving are deleted as soon as they are sent or received.

Now we may imagine a quantum system which comprises two fermions in a "singlet" state. This means that one has spin up and the other spin down in whatever frame we choose to measure their spins. Between them they constitute a single state which is said to be "entangled". Their state is shared, so that their individual states cannot be described independently. Singlet - Wikipedia

Now we can imagine one of the electrons to be transported some distance away and the other retained as, in effect, a recording of the other electron, differing only in that it has the opposite spin. We now find that no matter how we measure the spins of the two electrons, one has spin up and the other spin down. Their states cannot be changed independently no matter how far they are separated. This situation occurs even when the electrons are so far apart and the measurements so close in time that there is no possibility of one communicating with the other, even at the velocity of light. Einstein called this phenomenon spooky action at a distance. It is predicted by the quantum formalism, and it has been experimentally verified. Quantum entanglement - Wikipedia, Juan Yin et al: Bounding the speed of 'spooky action at a distance'

This observation suggests two conclusions: first, that quantum states exist prior to space-time; and second, that all the particles in the universe still share information about one another dating from the epoch when many particles were created from few by interactions with one another. We cannot observe this early phase of the life of the universe, but rely on the results of physics experiments to guess what happened. Peacock: Cosmological Physics, Particle physics in cosmology - Wikipedia

We may see an echo of this history in the fact that we cannot precisely compute the interaction between any two particles without taking into account all the other particle reactions may contribute to the reaction in question. Quantum field theory computations are represented by Feynman diagrams, which are graphic representations of the networks of interaction that contribute to any particular event. Precise results in quantum electrodynamics, for instance, require that the contributions of a large number of possible interactions of ever decreasing probability must be taken into account to get exact results, and it may be that absolute precision requires taking all the possible interactions in the universe into account. This idea was first suggested in the classical context by Ernst Mach, and the idea had a strong influence on Einstein. Feynman diagram - Wikipedia, Mach's principle - Wikipedia

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14: The transfinite computer network

Cantor's transfinite numbers initially caused a certain amount of controversy. Cantor was postulating an endless hierarchy of ever greater transfinite numbers. Some theologians thought that the attribute "actually infinite" could only be applied to God. Opposition also came from mathematicians and philosophers. Philosophers had held from the time of Aristotle that the actual infinite could not exist. Controversy over Cantor's theory - Wikipedia, Joseph W. Dauben: Georg Cantor and Pope Leo XIII: Mathematics, Theology and the Infinite

Cantor energetically defended his ideas. The basis for his defence was what we now call formalism. He argued that his work was a logically consistent formal development of existing mathematical theory. Years later David Hilbert made this position explicit and it is now, together with intuitionism and consrructivism, mainstream in mathematics. Mathematics, Hilbert claimed, is in effect a game played with symbols. We can make the symbols mean whatever we like, and the only rule is that the structures we construct are logically consistent. This is the same constraint that theologians place on God, and, according to the hypothesis developed here, it is also the only constraint on the universe, which, like God, is totally self sufficient and subject to no outside control. Formalism (mathematics) - Wikipedia, Intuitionism - Wikipedia, Constructivism (philosophy of mathematics) - Wikipedia, Richard Zach (Stanford Encyclopedia of Philosophy)

Formalism applies to pure mathematics. When we come to practical applications we use mathematics to represent situation in the world by establishing correspondences between mathematical structures and features of the world. So we can apply the natural numbers to counting, and more complex mathematical constructs like vectors and calculus to the study electromagnetic fields and the motion of particles in space-time. One of the most important applications of mathematics is to the study of mathematics itself, a subject known as the philosophy of mathematics, or "metamathematics". Metamathematics - Wikipedia

Here we concentrate on two major results of due to Kurt Gödel and Alan Turing which originated in Hilbert's program. Hilbert boiled the formal program down to three key questions: Is mathematics consistent? Is it complete? Is it computable? Gödel showed that if mathematics is consistent, it is not complete. There are true mathematical propositions that cannot be proved. Turing showed that if mathematics is consistent, there are mathematical problems that can be posed but which cannot be solved by logical processes. Hilbert originally thought that every mathematical problem could be solved. Gödel and Turing showed that he was wrong. There are insoluble problems and the deterministic heart of mathematics is surrounded by uncertainty. Goedel's completeness theorem - Wikipedia, Gödel's incompleteness theorems - Wikipedia, Turing's Proof - Wikipedia

Turing's machine, the formal archetype of a computer, is a mechanization of the process of proof. In the normal course of mathematics, proofs are devised in the minds of mathematicians but in order to be communicated in the mathematical literature, a proof needs to be written out in a series of logically connected propositions to form logical continuum from a set of axioms or assumptions to a conclusion. Turing's machine is considered to be able to prove anything provable, and Turing's proof of incomputability amounts to showing that there are things such a machine cannot do. It can, nevertheless, do a lot. There are as many different proofs (and corresponding computers) as there are natural numbers, and these machines are the foundation of the enormous computing industry which has grown from the work of Turing and other mathematicians and logicians.

The transfinite numbers are built on the natural numbers. We can create a transfinite universe (a Cantor universe) by exploiting the correspondence between the natural numbers and computers. Such computers may range from the null logical machine that does nothing, an action which changes nothing, to machines at the limits of computational complexity. We can imagine building such machines by stringing simple computers together so that the output of one becomes the input of the next. Such a string is simply a more complex computer. We construct computer software by assembling simple operations (subroutines) to create more complex codes, just as we make essays like this by stringing words together, each of which adds an atom of meaning to the overall product.

We have generated the transfinite numbers by permuting the natural numbers. We generate the transfinite computer network by permuting computers corresponding to the natural numbers.

We assume a close coupling between the physical and logical worlds. If a physical system is consistent it will attract energy. Here we interpret consistency as a potential. In the presence of a potential if something is not inhibited it will happen. If the floor holding me up fails, the gravitational potential will make me fall.

This coupling leads us to expect local consistency to be the sole constraint on reality. Consistency is built into the mathematics of general relativity, which provides a logical model of gravitation. Consistency in our other major theory of the universe, quantum mechanics, is not so clear, since we still do not have a clear answer to the measurement problem, but we are encouraged by the fact that applied quantum mechanics works quite well. Measurement in quantum mechanics - Wikipedia

The computers in the transfinite network serve as an infinite set of finite patches covering the transfinite sets of formal states in the network. We proceed by analogy with Einstein's step from inertial to accelerated motion. The determinism of computation is limited by the limits to computability, introducing, uncertainty and variation, providing a role for selection, ie evolution.

Every concrete computer and computer network is built on a physical layer made of copper, silicon, glass and other materials which serve to represent and information and move it about. The physical layer implements Landauer’s hypothesis that all information is represented physically. Rolf Landauer

In practical networks, the first layer after the physical layer is usually concerned with error correction, so that noisy physical channels are seen as noise free and deterministic by subsequent layers of the system.

Once errors are eliminated, an uninterrupted computation proceeds formally and deterministically according to the laws of propositional calculus. As such it imitates a formal Turing machine and may be considered to be in inertial motion, subject to no forces (messages).

All the operations of propositional calculus can be modelled using the binary Sheffer stroke or nand operation. We can thus imagine building up a layered computer network capable of any computable transformation, a universal computer, using a suitable array of nand gates. Whitehead & Russell: Principia Mathematica, Sheffer stroke - Wikipedia

An ‘atomic’ communication is represented by the transmission of single packet from one source to another. Practical point to point communication networks connect many sources, all of which are assigned addresses so that addressed packets may be steered to their proper recipient. This ‘post office’ work is implemented by further network layers.

Logic and symbolic computation are discrete processes, and the steps in a logical argument can be numbered with the natural numbers. Much of our mathematics is concerned with continuous quantities represented by real or complex numbers. The proofs of propositions about continuous quantities are logical continua, that is discrete strings of symbols. This leads to the general conclusion that deterministic processes in the world are underlain by deterministic logical processes whose steps are measured by quanta of action, and that the notion of a real continuum may not be actually realized.

Since all observable realities are quantized in units of Planck's constant, we must accept that the application of continuous mathematics to discrete processes could lead to trouble. The multiplication of real numbers is a process well understood in mathematical analysis, but does it ever occur in reality? Obviously the real numbers are very valuable in physics. Is this because when we deal with large numbers of events the law of large numbers serves to convert a quantized curve into a continuous curve, even though the underlying processes remain quantized?

Logical continuity does not require an ether or a vacuum, it exists independently of any continuous substrate and its whole reality can be expressed in the truth tables for the logical connectives. This is a very hard idea to absorb because it looks like action at a distance, but there is no distance in logic. The only metric we have for computation is a count of operations multiplied by the complexity of each operation. We judge the power of practical computers by their rate of operation.

The computable transformations in the transfinite network stand out as a set of fixed points, each described by a fixed algorithm which can be executed by a computer. The layers of the network are all self similar in that any deterministic and repeatable processes to be found within them must be the product of some computation. They all have this limitation in common, and it serves as a symmetry to lead our understanding of the world. Although the power of computers is limited by Turing's theorem, there is no practical limit on then number of computers that can be connected into a network. New computers can be connected as long as there are symbolic addresses available.

The operation of a computer effects a transformation from an input state to an output state. We know that computable transformations are deterministic and guess that such transformations are the foundation of predictable events in the Universe. On the other hand the 'principe of sufficient reason' leads us to suspect that incompleteness and incomputability are the sources of randomness in the Universe. Yitzhak Y. Melamed and Martin Lin: Principle of Sufficient Reason (Stanford Encyclopedia of Philosophy)

Knowledge is a reality created by measurement, the creative role of quantum mechanics. The world is god's knowledge. There are not two copies of the world, in itself and in gods mind, but just one, made unique by the quantum mechanical no cloning theorem. No cloning theorem - Wikipedia

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15: Lagrangian mechanics and evolution

The transfinite computer network is a very large system. Cantor's universe is built of ordered sets of ordered sets of . . . of natural numbers. Each number appears a transfinite number of times. We understand the cardinal number n+1 to be the cardinal of the set of permutations of a set whose cardinal is n, so we write n+1n!. To form the transfinite computer network, we replace every natural number with a corresponding Turing machine.

This system seems much too big to model the universe. We propose to cut it down match the visible world in two ways. First, we believe that the universe started off very simple, possibly as a single singularity. At this point the first cardinal number is not the total number of natural numbers, but may be any number. From a logical point of view, the first transfinite number 0 may just be 1 or 2. We might call this number "machine infinity". For a machine with only two states, as the earliest universe might be, three is an infinite number.

The second way is natural selection. The first step in this direction was taken by Maupertuis (1698-1759), who conjectured that in a perfect world, events occurred with the least expenditure of action. This is in effect a selection principle, picking algorithms that survive from all possible algorithms. The permutations that construct the transfinite computer network explore all possible algorithms, and we guess that the only ones that survive are those that drive the system of the world that we actually observe. Maupertuis' principle - Wikipedia

Although Newtonian mechanics is in principle quite simple, its application is not so easy for problems involving three or more bodies. This became apparent when astronomers began to compute orbits in the solar system which comprises the Sun, eight or nine planets and many moons. This motivated reformulations of Newton's laws in more general terms leading to the work of William Hamilton. Joseph-Louis Lagrange - Wikipedia, William Rowan Hamilton - Wikipedia

Maupertuis was a bit vague about what action actually meant, but Lagrange produced a clear mathematical definition of an action function now called the Lagrangian. Where Newton's method computes the path of a particle from p1 to p2 by analyzing it point by point, Lagrange's method computes an path by considering its start and endpoints and then finding the path that minimizes the classical action. In a space with a conservative potential this path is found to be the identical that computed by Newton's method. More generally the paths taken in nature are those stable paths for which small variations in the process make no change in the action. This is Hamilton's principle, the principle of stationary action. Hamilton's principle - Wikipedia

Mathematically, the action for a system moving on a trajectory beginning at time 1 and ending at time 2 is the time integral of the difference between the kinetic and potential energy of the system as it moves along the trajectory. The actual path taken in nature is the path predicted by Hamilton's principle. This path may be calculated using the calculus of variations.

S = ∫ (KE - PE) dt

Calculus of variations - Wikipedia

The action and energy described here so far follow the ideas of classical mechanics. The relationship between these two concepts changes a little when we turn to quantum mechanics. In classical physics, action is the time integral of energy. In quantum physics action is describes the relationship between frequency and energy expressed in the Planck-Einstein relation E = ℏω where E is energy, ℏ is Planck's constant and ω is frequency.

Richard Feynman has given us a fascinating lecture which shows the connection between the application of Hamilton's principe in classical mechanics and quantum mechanics. Feynman, Leighton and Sands FLP II:19: The Principle of Least Action

The action in quantum mechanics is is simpler than the action in classical mechanics since all quantum mechanical equations embody the quantum of action. Feynman devised a methodology which takes advantage this and the quantum mechanical principle of superposition to produce the path integral formulation of quantum mechanics. Feynman & Hibbs: Quantum Mechanics and Path Integrals, Path integral formulation - Wikipedia

The idea is that a quantum system follows every possible path between two states. Each path is represented by a probability amplitude that looks like a wave. When all the amplitudes for all the paths are added up, most of them cancel out except on the path where all the amplitudes are in phase and interfere constructively. In nature this selection happens automatically by superposition rather than by the application of the calculus of variations to compute the classical path. It has the advantage of approaching the classical path as the quantum of action is decreased to zero. We may see a similarity between the path integral formulation and de Broglie's justification of Bohr's assumption that the orbit of an atomic electron comprises an integral number of waves. Andrew Duffy: de Broglie's Justification of Bohr's Assumption

Energy is the foundation of both quantum mechanics and relativity. Quantum mechanics is very similar to music in that it involves the superposition of periodic signals. In music the signal is a real wave in air. In quantum mechanics the signal is a probability amplitude. In classical mechanics Hamilton's principle models the selection of the real particle trajectories from all possible trajectories. In quantum mechanics the superposition of probability amplitudes performs the same task.

In the network model, more complex structures are built using the subroutines provided by the layer beneath them. Because higher layers of the network are more complex than the lower layers, the principle of requisite variety makes it impossible for them to be fully determined by the lower layers. Instead, they must be 'discovered' by random variation and selected by their ability to control the resources provided by lower layers for their own sustenance.

This creates a situation analogous to that envisaged by the P versus NP problem in computer science. Designing a new species that can survive seems to be an almost intractable problem, so that it falls into the class NP. On the other hand, checking such a design is relatively easy, class P, since if it survives it is, from an evolutionary point of view, true. If it does not survive it is not consistent with its environment, and so evolutionarily false. P versus NP problem - Wikipedia

This idea has been developed by Michael Polanyi:

The theory of boundary conditions recognizes the higher levels of life as forming a hierarchy, each level of which relies for its workings on the principles of the levels below it, even while it itself is irreducible to these lower principles. Michael Polanyi: Life's Irreducible Structure

We begin by thinking of space as memory, that is not-time. In space-time, space is orthogonal to time, that is independent of it, analogous to the independence of the three dimensions of space: we can move north without going east.

The creation of memory requires a loss of unitarity, that is a loss of normalization, in effect the emergence of two parallel sources capable of independent action. Since energy is conserved, the total rate of action must be shared between these sources. Let us, for sake of concreteness, assume that the sources are a massive particle like an electron and its antiparticle, the positron, both fermions, communicating through massless bosons, like photons. Photons have no rest mass, and travel always at the velocity of light, c. Electrons and positrons do not spontaneously decay (like neutrons for instance), and so have no fixed lifetime between their creation and annihilation, but they can be created in in pairs by energetic photons, or annihilate in pairs to create photons.

In a particular inertial frame space is orthogonal to time, but the effect of the Lorentz transformation between inertial frames in relative motion is to break this orthogonality, mixing space and time from the point of an observer moving relative to the observed frame. Nothing changes for an observer moving in the observed frame, but Lorentz transformation produces time dilation and the length contraction, so that from the point of view of an observer, time stands still for a photon and it has zero length. It appears, in effect, to be outside space-time.

Since energy is equivalent to process, and mass is equivalent to energy, we may guess that massive particles like electrons have some internal process that accounts for their mass and energy. They are in effect localized processes, rather as I am a massive localized process. A photon, on the other hand having no mass has no internal process, and yet it moves. How is this?

We get a clue from the fact that in special relativity energy and momentum transform in the same way as time and space. From a quantum mechanical point of view, energy and momentum are both cyclic phenomena, that is measures of processing. Energy measures the frequency of steps in time. Momentum measures the length of steps in space. The the length of spatial steps (Δx = h/Δp) divided by the duration of the time steps (Δt = h/ΔE) yields velocity.

This suggests that rather than being simply the passive background for physical processes, space itself is effectively the network layer that provides the processing necessary for the motion of photons, which carry both energy and momentum, despite their lack of mass, and may be envisaged as stepping along in steps whose rate of execution is their frequency and whose length is their wavelength, both related so that the product of frequency and wavelength is the velocity of light, c

As in biological evolution, the predecessor of any emergent structure much be capable of existing in its own right. So cells existed independently before they became united into multicellular organisms. So we have imagined energy and time existing independently of space-time whose emergence is accompanied by the emergence of momentum.

This guess suggests how space-time executes local motion and may give us a clue to the why the Minkowski metric has the signature -1, 1, 1, 1,. This metrics suggests that time and space are inverses of one another so that for photons the null geodesic connects points between which the space-time interval is zero, that is they are in contact. Minkowski space - Wikipedia

We now turn to a quantum mechanical picture of the logical generation of a dual structure and its expansion to a a transfinite model of the universe. Most of the essential features of quantum mechanics are demonstrated by the classical two slit thought experiment. One of the most interesting features of this experiment is that even when particles are sent through the apparatus one at a time, they still build up the interference pattern on the screen. In other words, individual particles communicate with themselves, in the environment set up in the experiment. FLP III:01: Chapter 1: Quantum Behaviour

We have already noticed the role of entanglement in the creation of spooky action at a distance. The interference patterns produced by the two slit experiment suggest that the particles creating the pattern must be, in effect, going through both slits. This is not a problem if the quantum mechanical layer lies beneath the space layer in the universe. This brings us to the emergence of space and the observation that all quantum mechanical particles are either bosons and fermions: bosons with integral spin; fermions with half integral spin.

In the macroscopic world it is safe to say that no two objects are completely identical, since each comprises trillions of atoms and can be different in many small ways. At the level of fundamental particles, however, true identity is possible. All electrons have the same rest mass and the same charge, for instance. At rest they also have two states of spin, "up" and "down". In motion they have a potentially infinite variety of momentum states. Truly identical particles are indistinguishable, and the quantum mechanical rules vary, depending on whether the particles involved are distinguishable or indistinguishable. Feynman, Leighton & Sands FLP III:04: Identical Particles

As Feynman states them, the rules are very simple:

(1) The probability of an event in an ideal experiment is given by the square of the absolute value of a complex number φ which is called the probability amplitude:

P = probability,
φ = probability amplitude,
P = |φ|2.

(2) When an event can occur in several alternative ways, the probability amplitude for the event is the sum of the probability amplitudes for each way considered separately. There is interference:

φ = φ1 + φ2
P = |φ1 + φ2|2

(3) If an experiment is performed which is capable of determining whether one or another alternative is actually taken, the probability of the event is the sum of the probabilities for each alternative. The interference is lost: P = P1 + P2.

Indistinguishable particles therefore interfere. Distinguishable particles do not. But, bosons interfere in a different way from fermions, and fermions with opposite spins interfere differently from fermions the same spin since they are distinguishable by their spin. The amplitudes of identical fermions add 180 degrees out of phase , their amplitudes add up to 0 so that the probability of them being in the same state is zero. Identical bosons, on the other hand, can enter the same state. In fact the more bosons there are in a particular state, the greater the probability that more will enter. Fermion behaviour appears to be related to the extension of space. Boson behaviour explains the behaviour of lasers and masers.

The Trinity is an atom of communication, two sources and a link. Two fermions and a flow of bosons. Father and Son communicating through the Spirit. This may sound a bit blasphemous, but we are talking formalism, in the realm of absolute simplicity where there are no nuances of personality, only the first physical implementation of formal logic, ie not and and, defined by truth tables. We can leave 2000 years of religious and theological meaning aside and go back to basics looking for a theological interpretation of energy, gravitation and quantum mechanics. Fermion - Wikipedia, Boson - Wikipedia

Continuous mathematics imagines that changes of states are continuous, so that there is a continuous function joining any state φ to any other state not-φ = ψ. This idea implies that there is a continuous sequence of states running from φ to ψ. This idea suffers from the same difficulty as the notion that one can make a continuum out of discrete points. The act that mathematicians can make logically consistent definitions of continuity does not necessarily imply that continua exist in reality. From an information theoretical point of view, a real continuum carries no entropy or information. Zee: Quantum Field Theory in a Nutshell

We observe, in fact, that there are no continuous transitions between states. What we do see in any event is the annihilation of an old state or set of states and the creation of new states. Nevertheless, various parameters like action, energy and momentum, are conserved in the transition from before and after. Conservation is a very old idea, made explicit in Aristotle's theory of matter and form. Matter is common to all physical states (conserved) but may accept different forms to create different states, like swords and ploughshares. Neuenschwander: Emmy Noether's Wonderful Theorem

Here we understand symmetry in terms of a layered network model. Each layer of the network acts as a symmetry or set of algorithms for the layer above it. The physical layer of a network provides the symmetries such as the conservation of action, energy and momentum which constrain the behaviour of all the higher layers. These symmetries are 'broken' when they are applied to the specific processes used by higher layers to perform their functions. The algorithm for addition applies to all additions, but particular additions are distinguished by the values entering into them. Quantum mechanics, while conserving action presents us with a countable infinity of possible actions represented by the eigenfunctions of a quantum operator.

The fundamental symmetry, from the point of view of this essay, is computability or determinism. Turing found that there are a countable infinity of computable functions. The hypothesis that the Universe is digital to the core proposes that we identify the set of computable functions with the set of quantum eigenfunctions, on the assumption that they are equinumerous. Computability we propose, provides the stable skeleton upon which the the Universe is build.

Some things are predictable. Some are not. If we are to succeed, we must base our technology on predictable things, like the strength of steel or the conductivity of copper. The science of physics aims to discover these fixed points in nature and (hopefully) understand the relationships between them.

When we consider the Universe as divine, we can imagine the symmetries discovered by physics as the boundaries of the divinity. From a logical point of view, the dynamics of the Universe is consistent. As Turing and Gödel found, however, consistent does not necessarily mean determinate. There are unprovable and incomputable propositions that are nevertheless true.

The execution of an abstract Turing machine is an ordered sequence of operations which do not involve time or frequency. A practical physical computer, on the other hand, operates in space-time and its power is measured by a combination of the spaciousness of its memory and the frequency of its processor.

The operations of a single computer are controlled by a clock which produces a square wave by executing the not operation at a frequency determined by a physical oscillator. In modern machines, this frequency lies in the gigaHerz range. The clock pulses maintain synchronicity between all the logical operations of the machine. From a quantum mechanical point of view, the clock represents a stationary state.

Although most macroscopic processes appear continuous, we know that all change requires the discrete acts of creation and annihilation whose nature and frequency we model with quantum field theory applied at various scales in various contexts. The Standard Model is the application of this theory to the point particles which lie at the lowest level in the universal structure. Standard model - Wikipedia

To have kinetic energy, we must have space to move, in other words we need velocity, which is from our macroscopic point of view a measure of distance travelled per unit of time. To have potential energy, we must have some sort of memory, a system to store energy in a non-kinetic or stationary form. In physics a store of energy is simply called a potential. The emergence of space-time therefore seems coupled with the emergence of potential and kinetic energy whose algebraic sum may be zero. Marcelo Samuel Berman: On the Zero-Energy Universe

Each layer in network model uses the resources provided by the layer beneath it to perform tasks which serve as resources for the layer above it. Here we consider the initial singularity to be the root of the universe, and we identify this singularity with the classical model of God produced by Aristotle and Aquinas.

There are two ways to count the activity of a source of action. The first is its energy, the time rate of action. This is represented by the equation E = hf where E is energy, h the quantum of action and f frequency. The second is count the number of different actions and their relative probability. This yields a measure of entropy or complexity. The mathematical theory communication tells us that the entropy H of a source A which has an alphabet of i different actions ai each executed with probability pi is

H = - ∑i pi log pi

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16: General relativity: the cosmic network

Isaac Newton built his system of the world in a fixed three dimensional Euclidean space pervaded by universal time, the same at every point in space. He was able to describe all motion in the heavens on Earth with three simple laws which describe the relationship between force and motion. Then a fourth law, the law of universal gravitation, provides the force which guides the motions of the planets and moons of the solar system and explains why nobody falls off our spherical planet..

Newton's laws of motion are:

1. A body at rest remains a rest, and a body in motion continues to move in a straight line unless it is acted upon by a force. We call this inertial motion. This law breaks from the ancient idea that continued application of force was required to keep a body moving. This is the case where there is friction present.

2. The acceleration imparted to a body by the action of a force is inversely proportional to the mass of the body: a = F/m. Massive bodies tend to resist the action of forces, leading to the third law:

3. The action of a force and the reaction to it are equal and opposite.

On Earth most forces are exerted by contact, but the heavenly bodies are moved by gravitation, whose source is mass itself. Newton's universal law of gravitation reads:

F = Gm1m2 / r2

Where G is the gravitational constant, m1 and m2 are the masses of the heavenly bodies and r is the distance between them. Newton was able to deduce this law from the three laws of planetary motion which Kepler had derived from astronomical observations made by Tycho Brahe.

Newton: The Principia : Mathematica: I Principles of Natural Philosophy, Newtons Laws of Motion - Wikipedia, Kepler's laws of planetary motion - Wikipedia, Tycho Brahe - Wikipedia

An important point about Newton's law of gravitation is that the source of the gravitational force acting on the masses is the mass itself. In a sense we are looking at a form of consciousness, self interaction at the lowest physical layers in the universe. This leads us to distinguish between gravitational mass, the source of gravitation, and inertial mass, the source of the resistance to force. Einstein realized that these two concepts of mass point to the same reality.

Einstein was motivated to revise Newton's laws by a contradiction that was revealed when he imagined travelling alongside a light beam at the speed of light. According to the Galilean principle of relativity used by Newton, the light should appear stationary, just as a train appears stationary when we are travelling along with it. On the other hand, Maxwell's equations which describe the propagation of light show that light cannot appear stationary. John D. Norton: Chasing a beam of light: Einstein's most famous thought experiment, Galilean invariance - Wikipedia, Maxwell's equations - Wikipedia

Even when travelling alongside it at the speed of light, a light bean would still appear to be travelling at the speed of light. Galileo thought that all the laws of nature appear identical to observers in an inertial frame. Einstein added the velocity of light to this list of laws. In the Galilean picture, the total velocity of a person running along a train is simply the sum speed of train + speed of runner. Einstein needed a transformation which said speed of light + speed of light = speed of light. Such a transformation had already been formulated by Lorentz and is now central to the special theory of relativity. Special relativity - Wikipedia

After he had completed the special theory of relativity Einstein saw that he had more work to do:

'In 1907, while I was writing a review of the consequences of special relativity . . . I realized that all natural phenomena could be discussed in terms of special relativity except for the law of gravitation. . . . It was most unsatisfactory to me that although the relation between inertia and energy is so beautifully described [in special relativity], there is no relation between inertia and weight. Pais: 'Subtle is the Lord...': The Science and Life of Albert Einstein, page 179

The network model proposed here assumes that each layer of the network is capable of existing as a free standing system whose outputs become the symmetries upon which the layer above it is built. So the inertial system described by the special theory of relativity becomes the foundation for the universe described by the general theory. The general theory is built from the interactions of "flat" inertial spaces to give the geometry of "curved" spacetime.

Einstein said that the 'happiest thought in my life' was the realization that a person in free fall would not feel their own weight. A body freely falling in a gravitational field is in an inertial frame, like a satellite circling Earth. His problem was to make this insight into the theory of gravitation. He worked sporadically on gravitation from 1907 to 1912 then '. . . between August 10 and August 16, it became clear to Einstein that Riemannian geometry is the correct mathematical tool for what we now call general relativity (Pais, 210). Riemannian geometry - Wikipedia

A differential manifold is bit like chain mail, a flexible dynamic structure is constructed by hinging together a large number of rigid pieces each of which is a flat space tangential to the manifold at a given point. This idea was used long ago by Archimedes to approximate curves by short segments of straight lines. The same technique is used in differential calculus to construct the differential of a function representing a curve. Differentiable manifold - Wikipedia

In the manifold the pieces are infinitesimal flat tangent spaces. The hinges are differentiable connections between these elements. The resulting space is continuous and continuously deformable topological space that has no metric so that it may be compressed and stretched to any size. This serves as a blank canvas for general relativity.

Here we wish to interpret this manifold as a digital network and break the continuity by imagining that the limit we take when calculating a derivative is not zero but a very small number, Planck's constant. Compared to the size of the Universe, the difference between h and zero is so small as to have a negligible effect on the structure of the manifold. This interpretations replaces the infinitesimal flat spaces of the differential manifold with quantum events whose size is measured by the quantum of action.

The fully developed cosmic network has four dimensions, one of time snd three of space. The first dimension to emerge is energy / time, as described above. We then image the emergence of one dimension of space to enable the existence of two discrete points p and not-p which we may imagine as fermions and perhaps antiparticles communicating in time through a massless boson similar to a photon, moving at the velocity of light. Next we may imagine the emergence of a second spatial dimension orthogonal to the first to give us a system of four particles analogous to that described by the Dirac equation.

Finally 4-space emerges and is selected because it is now possible for every point in space to communicate with every other without "crossed wires" and confused signals. This development was noted some time ago in the manufacture of printed circuit boards when it was realized that a single flat layer places a very strong constraint on the connectivity of devices on the board, so that it is necessary to move into the third dimension. A similar problem arising from the bottlenecks in urban traffic flow caused by level intersections between transport links is solved by moving into the third dimension. Although higher dimensions may be possible, they do not appear to add sufficient selective advantage to maintain their added complexity.

As noted above, quantum mechanics describes a communication network, so we may understand all the detailed communication at the physical layers in the universal network to be mediated by quantum mechanical processes. Over very short distances these are managed by the strong snd weak forces. Over longer distances electromagnetism and photons becomes dominant. The general theory of relativity describes the space-time symmetry underlying all the communication operations in the universe. Although gravitation is very weak, it is not shielded and therefore localized as the electric channel is by the existence of positive and negative charges. It determines the large scale structure of the universe which arises from the transmission of undifferentiated energy.

Newton was the first to realize that the source of gravitational interaction between masses is mass itself. This recursive process accounts for the compression of masses of particles into stars producing temperatures great enough to complete all the relatively slow nuclear syntheses which were not completed in the initial moments of particle formations.

For nearly a century much sweat, maybe some tears (and possibly a little blood) has been spent in the so far unsuccessful effort to quantize gravity. Here we interpret this situation as evidence that gravity is not quantized. The core argument is based on the notion that the Universe may be modelled as a computer network. An important feature of useful networks is error free communication.

Conversely, we should not expect to find quantization where error is impossible, that is in a regime where every possible message is a valid message. Since gravitation couples universally to energy alone, and is blind to the particular nature of the particles or fields associated with energy, we can imagine that gravitation involves messages that cannot go wrong, and therefore have no need for error correction, or, on our assumptions, quantization. In other words, we may think of them as continuous. They are in a sense empty transformations.

Gravitation, is thus present at every point in the universe. In the context of our present four dimensional universe, this conserved flow is described by Einstein’s field equations. Because this flow cannot go wrong, it requires no error protection, and so it does not need to be quantized.

This line of argument suggests that efforts to quantize gravity may be misdirected. It may also give us some understanding of 'spooky action at a distance' which has been found to propagate much faster than the velocity of light. Let us guess that the velocity of light is limited by the need to encode and decode messages to prevent error. If there is no possibility of error, and so no need for coding, it may be that such 'empty' messages can travel with infinite velocity.

This suggests that logical continuity is prior to and more powerful than geometric continuity. If we can find a way to substitute logical arguments for the arguments from continuity employed in physics we may be able to put the subject on a stronger foundation. Cantor's set theory effectively digitized the continuum into sets of points. There is something of a paradox in trying to describe something continuous with discrete points. Aristotle considered things to be continuous if they had points in common, like a chain. Logical continuity, comprising a chain of logical statements, is consistent both with Aristotle's idea and the connections in a differentiable manifold.

Continuous mathematics gives us the impression that it carries information at the highest possible density. This theory is so convincing that we are inclined to treat such points as real. Much of the trouble in quantum field theory comes from the assumption that point particles really exist. The problem is solved if we assume that a particle is not a geometrical but a logical object, a self sustaining proof, proving itself by logical processes as I prove myself into existence.

Feynman provides a succinct summary of the general theory:

The theory must be arranged so that everybody—no matter how he moves—will, when he draws a sphere, find that the excess radius is G/3c2 times the total mass (or better G/3c4 times the total energy current) inside the sphere. That this law — law (1) — should be true is one of the great laws of gravitation, called Einstein's field equation. The other law is (2) — that things must move so that the proper time is a maximum — and is called Einstein's equation of motion.

Since gravitation couples only energy, and sees only the energy of the particles with which it interacts, we might assume that it is a feature of an isolated system, that is one without outside observers. The Universe as a whole is such a system. Whenever there is observation (communication), there is quantization. There can be no observation when there are no observers. This is the initial state of the Universe described by gravitation.

With the breaking of the initial total symmetry of the initial singularity space, time, memory and structure enter the universe to give us the system we observe today. Nevertheless, as in a network, the more primitive operations remain inherent in the more complex.

One consequence of the the final form of the field equations is that the the world they describe cannot be static, it must either be expanding or contracting. Subsequent observations of the universe have shown that it is expanding. This opens the possibility of extrapolating the universe back from this enormous size back to something smaller. Taken to the extreme, this suggests that the Universe began as a structureless point, now called the initial singularity. This point is formally identical to the classical God: no spatial size, absolutely simple with no structure and the source of the Universe. Hawking and Ellis: The Large Scale Structure of Space Time

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17: Network intelligence and consistency

The 4D spacetime network described by the general theory provides a framework for the quantum mechanical construction of the microscopic detail which fills out the macroscopic structure of the Universe.

We assume that the detailed structure of the universe has emerged by a process of evolution by natural selection. We see the formal features of this process arising from two mechanism, variation and selection. Variation is the consequence of two features of consistent formal systems, incompleteness and incomputability, which place limits on determinism. From a cybernetic point of view, these limits are captured by the principle of requisite variety. From a spatial point of view, deterministic evolution is limited by incompleteness; from a temporal point of view, it is implemented by computability.

Gödel's incompleteness theorem establish that there are true propositions that cannot be proven because they are more complex (have greater entropy) than the resources available for proof. Since we believe that entropy always increases, this means that in general the past lacks the entropy to control or predict the future. This fact is an ubiquitous feature of common experience. "The best laid schemes o' Mice and Men gang aft agley." To a Mouse - Wikipedia

A major unsolved problem in the theory of computation is known as the "P vs NP problem". Turing placed an absolute bound on computability, there are some problems that are inherently incomputable. Within that bound, however, there are degrees of difficulty. One classification distinguishes problems whose difficulty grows exponentially with the size of the problem from those whose difficulty grows polynomially. If n is the size of the problem and e is any number, the difficulty D grows as en for exponential problems, but as ne for polynomial problems. As n increases en will eventually becomes greater than ne, regardless of the size of e

We may imagine that the problem of evolution falls into this classification. The discovery of new systems may be exponentially difficult, but testing them may fall into the area of polynomial difficulty. The random process of variation may sometimes solve the exponential problem. The deterministic process of selection will then be able to sort the survivors from from the failures. The basic requirement for an organism to survive is that it be able to obtain enough resources from its environment to maintain its own existence. In other words we might say that its existence is consistent with its environment. Fortnow: The Golden Ticket: P, NP, and the Search for the Impossible

We understand intelligence as the ability to create solutions to problems. We may see a problem as a blockage to the release of a potential. I want to solve the crossword. My desire is a potential, creating a force moving me toward a solution. Unless the puzzle is very simple however, I cannot move deterministically to the solution by a computation. I must follow a course of trial and error, using my imagination to generate random trials and then testing them to see if they are consistent with the clue, the grid and the words I have found so far. Intelligence understood in this way is very close to evolution by natural selection. It seems reasonable to see evolution and intelligent design as instances of the same process.

Here we see Cantor's theorem as the both formal source of the potential which moves the universe to become more complex and the source of variation that makes this possible. This potential is actualized when random processes open up a path to a new structure which is capable of sustaining itself. This is in effect the creation of a new layer in the universal network. Such a layer may propagate and become the foundation for further new layers, or it may eventually falter and die. We see this process at work from day to day in the evolution of technology and culture.

Every new layer in the network is a new interpretation of the past, a new moment, a new meaning.

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18: Symmetry, invisibility and scale invariance

Both the structure of the universe and our knowledge of it are made possible by symmetry. The concept of symmetry has three features: a concept of identity; a concept of difference; and a transformation between the two. A perfect featureless wheel, for instance, looks the same no matter how we turn it. This is the identity. The difference is that if we turn it, it assumes a different position. The transformation that connects the sameness and the difference is the turning of the wheel. Mathematically a symmetry is represented by a group which is a set of elements and and a rue of composition which combines any to elements of the group to give a third, also a member of the group. The group is closed. There is no operation that takes the group outside itself. There is always a sequence of group operations, like the turning of a wheel, which brings us back to the starting point. Neuenschwander: Emmy Noether's Wonderful Theorem, Auyang: How is Quantum Field Theory Possible?

We have constructed the transfinite computer network using the group operation known as permutation which generates the permutation group by swapping one element for another. The permutation group is the most general possible group which contains all the others. In the network model, we assume that identity is the result of copying, that is descent. So we find that all humans are descended from a common ancestor, and we can produce different "teams" of a group of people by assigning different roles to each of them.

Our assumption is that layer n of the transfinite network is constructed using elements of layer n-1. We therefore expect to find symmetries in layer n reflecting the elements of layer n-1 that have been incorporated into layer n.

The technological paradigm for the network model of the world is the internet which is a layered computer network. As I user I am not aware of all the transformations that my input undergoes as is works its way down through the network to the physical layer and then after transmission to the recipient, up through the network layers to the user who is my peer. All this processing is invisible to me.

Since it requires computation to transform a message, a computer which which is programmed to transmit all the steps that it takes to perform a particular calculation must also transmit all the steps that it takes to transmit the information about what it is doing. The transmission of this information requires further processing to describe the process of transmission and so on, which ultimately means that the machine's process is completely taken up by the transmission of its own internal states, and it can achieve no progress on its actual task. This vicious circle can be avoided by the computer opting to remain at least partly invisible, that is to simply complete its task and perhaps provide a log of the the major actions that it has taken.

One consequence of this constraint on communication is that the lowest physical layers of the universal process must remain invisible to us. It may be for this reason that we cannot observe the quantum mechanical processes that we represent by the evolution of wave equations. We can only observe the outcomes of these processes, and are left to devise hypotheses about what is actually happening in the invisible bottom layers of the universal network.

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19: Physics is mind: panpsychism

Among the attributes of the traditional God are intelligence and omniscience. Aquinas explains that intelligence is associated with spirituality, and since God is the supremely spiritual being, it must also be the supremely intelligent being. Aquinas, Summa: I, 14, 1: Is there knowledge in God?

For a long time the Christian Churches have preached a sharp distinction between God and the world. Their religion is founded on the notion that the newly created young and curious first people disobeyed God who angrily crippled his new creation as punishment for their evil deed. In the light of our modern scientific history of the creation this story is of complete rubbish but it has become deeply ingrained in the human psyche over the last two thousand years.

The point of this essay is that there is no reason to distinguish God and the Universe, that the Universe performs all the roles traditonally attributed to God and that it is quite intelligent enough to have created us. We know that our own intelligent minds are a complex network of nerves, our brains. Since we have modelled the universe itself as a network, we might guess that the universal network is intelligent, as our mental networks are. The fact that we are here, enormously complex creatures created by the universe itself is strong evidence for this position.

Each of us is a complex of some 100 trillion cells, each comprising some 100 trillion atoms. Our studies of our microscopic anatomy suggest that almost every atom in this huge system has a specific place and a specific role in the system. In other words, many billions of years of evolution have sculpted our structures, and the structures of all other life forms, in atomic detail. We may attribute the omniscience and omnipotence of the traditional god to the system that did this work.

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20: Humanity: cutting theology free from politics

Theology, the traditional theory of everything, is at present politically imprisoned by powerful organizations like the Catholic Church. It is not really a theory of everything but the ideology of the political powers that have shaped it.

There are two outstanding events in the history of Christianity. The first was its political capture by the emperor Constantine who used it as a tool to consolidate his power. His first move was to force the bishops to standardize their doctrine, the result being the Nicene Creed. Once this was in place it became easy to define heresy and heretics and to control the doctrinal consolidation of the Church by inquisitional threats, torture, murder and military actions, reaching its apogee in the Crusades and the wars of religion that destroyed large parts of Europe over more than a century. Inquisition - Wikipedia, Crusades - Wikipedia, European wars of religion - Wikipedia

The second event, a consequence of the first, was the prosecution of Galileo for professing an evidence based scientific opinion which the Inquisition held to be contrary to divinely inspired doctrine. Galileo lost his battle with the Inquisition but science was unstoppable, and now it is undermining the last bastion of falsehood and mythology, the ancient religions. Scientific theology is in an embryonic state, but there can be little doubt that it will dominate our view of reality in the long run. Galileo affair - Wikipedia

In the light of the hypothesis that the universe is divine, the defects in Christian theology became very clear. The chief conflicts between the Catholic Church and its human environment seem to lie in the following areas:

1. Divine right: As well as claiming infallibility, the Pope enjoys supreme, full, immediate and universal ordinary power in the Church, which he can always freely exercise. Such power has led the Church to ignore the rule of law and human rights. Not only has it been responsible for widespread sexual abuse of children, it has frequently attempted to pervert the course of justice to hide these crimes. Vatican I: Pope Pius X: Pastor Aeternus

2. Dictatorship The dictatorial constitution of the Church serves as a paradigm and justification for all the other theocratic dictatorships on the earth which routinely harass, imprison, torture and murder anybody who opposes them. We now hold that all people are born free and equal. Social structures which give some people arbitrary control over others are obsolete. In their place we now expect democracy and the rule of law. The Catholic Church with its celibate, male, priestly hierarchy culminating in an absolute monarch is very far from this ideal. Through its Christian political proxies such as the United States the Church still commands the bulk of military power on Earth and uses it regularly to oppress people everywhere.

3. Faith versus science The church claims that its god has given it the "gift of absolute truth" from God, and the right, therefore to propagate its doctrines and require that they be held purely by faith, since it can offer no credible evidence for the truth of its claims. From a scientific point of view, the Catholic model of the world is an hypothesis, to be accepted or rejected on the evidence. The Church's holds that its dogma is not negotiable. Anybody who chooses to disagree with it is ultimately a heretic to be excommunicated. There is no room in the Church for the normal scientific evolution of our understanding of our place in the Universe. John Paul II: Fides et Ratio: On the relationship between faith and reason

4. Deprecation of the World: The Church holds that 'this life' is a period of testing in a fallen world to determine who is worthy of salvation. As a result of the murder of Jesus, God will repair the damage caused by original sin, the blessed will enjoy an eternal life of the blissful vision of God, the dammed an eternity of suffering in Hell. There is no evidence for any of this scenario.

5. Sexism: Within the Roman Catholic Church, the glass ceiling for women is practically at ground level; women are excluded from all positions of significant power and expected to play traditional subordinate roles.

6. The distinction between matter and spirit: The Catholic Church depends for its livelihood on a claimed monopoly on communication with a God. Part of the cosmology that goes with this claim is that human spirits are specially created by God and placed in each child during gestation. Neither we nor the Church are of this world, but in some way alien to it. In the light of the divine universe, this claim is clearly false since we in God and God is visible to us at all times.

7. Misunderstanding of pain: In a similar vein, the Church holds both that pain is punishment for sin, and that endurance of pain, even self inflicted pain, is a source of merit. It overlooks the fact that pain is in general an error signal that enables us to diagnose and, ideally, treat errors, diseases, corruption and other malfunctions that impair our lives. Included here is the unnecessary pain caused by the false doctrines of the Church.

8. Forgiveness of sins: The Church claims that it has, from God, the power to forgive all sins. This power is often used to circumvent the natural course of civil justice, so the Church has used it, perhaps for thousands of years, to hide the crimes of its clergy any other members. Only in the last few decades are we beginning to see the extent of the child sexual abuse that has occurred in the Church, and it is quite likely, as investigations proceed around the world, that there true extent of these crimes will be seen to be enormous.

9. Violence: In the Christian model God the Father oversees the death of His own Son, in order to placate himself for the 'original sin' committed by the first people he created. This story, which has origins shrouded in ancient mythology, places violence at the heart of human salvation. Since the Christian God is omnipotent, he could have dealt with original sin without the murder of his own son. We might divide Churches generally into those that will go as far as murder to get their own way, and those that hold life sacred. The Catholic Church, unfortunately, has a long history of killing unbelievers.

10. Cannibalism: The central ceremony of the Church, Mass or the Eucharist, is understood to comprise eating the real substantial body and blood of Christ. The words of consecration are believed to "transubstantiate" bread and wine into a human body without changing their appearances. Eucharist - Wikipedia, Transubstantiation - Wikipedia

11. Eternal life, eternal bliss and eternal punishment: The Church claims that we do not die, but live on after death to be rewarded or punished for our actions in life, and that at the "end of the world" the world will be renewed to the pristine condition it enjoyed before the original sin, and we shall continue in eternal life as fully constituted human beings. There is no evidence for this. Christian Eschatology - Wikipedia

12. Marketing and Quality: The Catholic Church believes it has a duty to induce everyone to hear and accept its version of the Gospel. This is a natural foreign policy for an imperialist organism whose size and power increases in proportion to its membership. But the modern world expects any corporation promoting itself in the marketplace to deliver value for value. People contributing to the sustenance of the Church and following its beliefs and practices need to be assured that they will indeed receive the eternal life promised to them. Ad Gentes (Vatican II): Decree on the Mission Activity of the Church, Lumen Gentium (Vatican II): Dogmatic Constitution on the Church

John 8:32: "32 And ye shall know the truth, and the truth shall make you free." This quotation is true if the truth referred to is really true. Unfortunately the principal message of Christianity preached by Jesus of Nazareth has been throughly hidden by other doctrines by the imperial version of Christianity preached by the Catholic Church. Jesus replaced the complex law of his Hebrew ancestry with the simple phrase, love God, love you neighbour. Through the parable of the Good Samaritan he taught that "neighbour" means everybody. In modern politics, the essence of humanity is captured by the Universal Declaration of Human Rights and all the other more specific declarations of rights which emphasise human rights and equality.

The decay of the Catholic Church is a consequence of the close relationship between Christianity and the authoritarian warlords of the Roman Empire who took it over in the fourth century. Since then it has not been a religion of truth, but a political tool designed to keep the poor poor while making the rich and powerful richer and more powerful: the clergy, bishops and archbishops, the popes, princes, cardinal, dictators, warlords and all the other thieves who have ruled the world since time immemorial.

The salvation of religion began in the days of Galileo. Galileo lot his battle with the Inquisition and prudently opted to save his life by recanting the position he was alleged to hold. But he knew he was on the right track. His manifesto was quite simple and targeted directly on those who drew their opinions from works of fiction:

Philosophy is written in this grand book - the universe, which stands continually open before our gaze. But the book cannot be understood unless one first learns to comprehend the language and to read the alphabet in which it is composed. It is written in the language of mathematics . . .
Recantation of Galileo (June 22, 1633) , Galilei, p 238.

Since that time, the gradual growth of scientific inquiry has radically improved the conditions of life for a large proportion of the Earth's population. These improvements would been even greater if they were not hampered by reactionary religious and and political forces. These forces are largely in retreat, but there is a long way to go. Organizations like the Catholic Church whose ideology was formed thousands of years ago are one of the main problems. The other is the political power of the wealthy who rely on exploiting other people to maintain their wealth and have, due to their wealth, disproportionate power. Acemoglu & Robinson: Why Nations Fail: The Origins of Power, Prosperity and Poverty

Theology is the traditional theory of everything and its task is to open our eyes to the amazingness of everything. We have seen the benefits to be reapt from free scientific enquiry. Theology is still the slave of political and religious institutions, but we can expect a similar explosion in human welfare when it finally breaks free and is able to tell us all there is to be known about our position in the universe and the possibilities that lie ahead of us if we manage our lives with reason and prudence.

We have to learn to fill the whole divine playing field with music, technology, love, peace, goodness, occupying our own little section of transfinite space, leaving the basic life support systems and beauty of the world intact. There is room for everybody, as we increase the ratio of spirit to matter exploiting the transfinite possibilities of life..

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21: Conclusion: Life in the divine world

Many hundreds of generations of people have been indoctrinated into accepting their difficult lot in life by promise that if they remain docile and obedient to the powers that be they will be rewarded after death with eternal delights. This story has lost much of its credibility in the face of our scientific understanding of the nature of the world and our role within it.

This loss of faith is balanced by the growing realization that life without repression, exploitation and falsehood can be quite rewarding and is well worth striving for. As more people reach this conclusion and demand their natural rights, we can expect the overall system to improve its care and respect for every form of life, including ourselves. We can see nations of the world currently stretched along a spectrum running from comprehensive social security and rational management to the extremes of poverty and repression maintained by regimes that act only for their own welfare and not for the welfare of the whole population. The task is relatively straightforward: to bring everybody up to the standard enjoyed by those in the best parts of the world.

Cantor's transfinite numbers are a measure of the divine potential of the paradise in which we live. We have only lift our heads and see the magnificence of what has developed so far, and realize that there is no limit to the creativity to be realized by careful observation of prudent exploitation of our world in which we find ourselves. To save ourselves, however, we must preserve the planetary systems that sustain our lives.

Above all, it is important to throw of the shackles of those institutions that would enslave us for their own benefit. We are all divine, and may rightfully demand to be treated as gods, realizing that we live in a community of others identically divine whose cooperation and love is necessary for us to realize our personal paradise.

From an evolutionary point of view, the key to paradise is to maximize our personal pleasure while minimizing our footprint on the world that sustains us so that the resources of life are conserved for all to share.

(Revised 16 March 2019) Back to top

Copyright:

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Further reading

Books

Click on the "Amazon" link below each book entry to see details of a book (and possibly buy it!)

Acemoglu, Daron, and James Robinson, Why Nations Fail: The Origins of Power, Prosperity and Poverty, Crown Business 2012 "Some time ago a little-known Scottish philosopher wrote a book on what makes nations succeed and what makes them fail. The Wealth of Nations is still being read today. With the same perspicacity and with the same broad historical perspective, Daron Acemoglu and James Robinson have retackled this same question for our own times. Two centuries from now our great-great- . . . -great grandchildren will be, similarly, reading Why Nations Fail." —George Akerlof, Nobel laureate in economics, 2001  
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Ashby, W Ross, An Introduction to Cybernetics, Methuen 1956, 1964 'This book is intended to provide [an introduction to cybernetics]. It starts from common-place and well understood concepts, and proceeds step by step to show how these concepts can be made exact, and how they can be developed until they lead into such subjects as feedback, stability, regulation, ultrastability, information, coding, noise and other cybernetic topics.' 
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Auyang, Sunny Y., How is Quantum Field Theory Possible?, Oxford University Press 1995 Jacket: 'Quantum field theory (QFT) combines quantum mechanics with Einstein's special theory of relativity and underlies elementary particle physics. This book presents a philosophical analysis of QFT. It is the first treatise in which the philosophies of space-time, quantum phenomena and particle interactions are encompassed in a unified framework.' 
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Barrow, John D., and Frank J. Tipler, The Anthropic Cosmological Principle, Oxford University Press 1996 'This wide-ranging and detailed book explores the many ramifications of the Anthropic Cosmological Principle, covering the whole spectrum of human inquiry from Aristotle to Z bosons. Bringing a unique combination of skills and knowledge to the subject, John D. Barrow and Frank J. Tipler-two of the world's leading cosmologists-cover the definition and nature of life, the search for extraterrestrial intelligence, and the interpretation of the quantum theory in relation to the existence of observers.' 
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Canon Law Society of America, Holy See, Code of Canon Law: Latin-English Edition, Canon Law Society of America 1984 Pope John Paul XXXIII announced his decision to reform the existing corpus of canonical legislation on 25 January 1959. Pope John Paul II ordered the promulgation of the revised Code of Canon law on the same day in 1983. The latin text is definitive. This English translation has been approved by the Canonical Affairs Committee of the [US] National Conference of Catholic Bishops in October 1983. 
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Cantor, Georg, Contributions to the Founding of the Theory of Transfinite Numbers (Translated, with Introduction and Notes by Philip E B Jourdain), Dover 1895, 1897, 1955 Jacket: 'One of the greatest mathematical classics of all time, this work established a new field of mathematics which was to be of incalculable importance in topology, number theory, analysis, theory of functions, etc, as well as the entire field of modern logic.' 
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Dirac, P A M, The Principles of Quantum Mechanics (4th ed), Oxford UP/Clarendon 1983 Jacket: '[this] is the standard work in the fundamental principles of quantum mechanics, indispensible both to the advanced student and the mature research worker, who will always find it a fresh source of knowledge and stimulation.' (Nature)  
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Einstein, Albert, and Translated by Alan Harris , Einstein's Essays in Science, Philosophical Library / Dover 1934, 2009 'His name is synonymous with "genius," but these essays by the renowned physicist and scholar are accessible to any reader. In addition to outlining the core of relativity theory in everyday language, Albert Einstein presents fascinating discussions of other scientific fields to which he made significant contributions. The Nobel Laureate also profiles some of history's most influential physicists, upon whose studies his own work was based. Assembled during Einstein's lifetime from his speeches and essays, this book marks the first presentation to the wider world of the scientist's accomplishments in the field of abstract physics. Along with relativity theory, these articles examine the methods of theoretical physics, principles of research, and the concept of scientific truth. Einstein's speeches to audiences at Columbia University and the Prussian Academy of Science appear here, along with his insightful observations on such giants of science as Johannes Kepler, Sir Isaac Newton, James Clerk Maxwell, Niels Bohr, Max Planck, and others.' 
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Feynman, Richard P, and Albert P Hibbs, Quantum Mechanics and Path Integrals, McGraw Hill 1965 Preface: 'The fundamental physical and mathematical concepts which underlie the path integral approach were first developed by R P Feynman in the course of his graduate studies at Princeton, ... . These early inquiries were involved with the problem of the infinte self-energy of the electron. In working on that problem, a "least action" principle was discovered [which] could deal succesfully with the infinity arising in the application of classical electrodynamics.' As described in this book. Feynam, inspired by Dirac, went on the develop this insight into a fruitful source of solutions to many quantum mechanical problems.  
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Feynman, Richard, Feynman Lectures on Gravitation, Westview Press 2002 Amazon Editorial Reviews Book Description 'The Feynman Lectures on Gravitation are based on notes prepared during a course on gravitational physics that Richard Feynman taught at Caltech during the 1962-63 academic year. For several years prior to these lectures, Feynman thought long and hard about the fundamental problems in gravitational physics, yet he published very little. These lectures represent a useful record of his viewpoints and some of his insights into gravity and its application to cosmology, superstars, wormholes, and gravitational waves at that particular time. The lectures also contain a number of fascinating digressions and asides on the foundations of physics and other issues. Characteristically, Feynman took an untraditional non-geometric approach to gravitation and general relativity based on the underlying quantum aspects of gravity. Hence, these lectures contain a unique pedagogical account of the development of Einstein's general theory of relativity as the inevitable result of the demand for a self-consistent theory of a massless spin-2 field (the graviton) coupled to the energy-momentum tensor of matter. This approach also demonstrates the intimate and fundamental connection between gauge invariance and the principle of equivalence.' 
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Fortnow, Lance, The Golden Ticket: P, NP, and the Search for the Impossible, Princeton University Press 2013 Jacket: The P-NP problem is the most important open problem in computer science, if not in all mathematics. Simply stated, it asks whether every problem whose solution can be quickly checked by computer can also be quickly solved by a computer. The Golden Ticket provides a nontechnical introduction to P-NP, its rich history and its algorithmic implications for everything we do with computers and beyond. In this informative and entertaining book, Lance Fortnow traces how the problem arose in the Cold War in both sides of the Iron Curtain, and gives examples of the problem from various disciplines, including econmics, physics and biology. . . . ' 
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Galilei, Galileo, and Stillman Drake (translator), Discoveries and Opinions of Galileo: Including the Starry Messenger (1610 Letter to the Grand Duchess Christina), Doubleday Anchor 1957 Amazon: 'Although the introductory sections are a bit dated, this book contains some of the best translations available of Galileo's works in English. It includes a broad range of his theories (both those we recognize as "correct" and those in which he was "in error"). Both types indicate his creativity. The reproductions of his sketches of the moons of Jupiter (in "The Starry Messenger") are accurate enough to match to modern computer programs which show the positions of the moons for any date in history. The appendix with a chronological summary of Galileo's life is very useful in placing the readings in context.' A Reader. 
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Hallett, Michael, Cantorian Set Theory and Limitation of Size, Oxford UP 1984 Jacket: 'This book will be of use to a wide audience, from beginning students of set theory (who can gain from it a sense of how the subject reached its present form), to mathematical set theorists (who will find an expert guide to the early literature), and for anyone concerned with the philosophy of mathematics (who will be interested by the extensive and perceptive discussion of the set concept).' Daniel Isaacson. 
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Hawking, Steven W, and G F R Ellis, The Large Scale Structure of Space-Time, Cambridge UP 1975 Preface: Einstein's General Theory of Relativity . . . leads to two remarkable predictions about the universe: first that the final fate of massive stars is to collapse behind an event horizon to form a 'black hole' which will contain a singularity; and secondly that there is a singularity in our past which constitutes, in some sense, a beginning to our universe. Our discussion is principally aimed at developing these two results.' 
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Jech, Thomas, Set Theory, Springer 1997 Jacket: 'This book covers major areas of modern set theory: cardinal arithmetic, constructible sets, forcing and Boolean-valued models, large cardinals and descriptive set theory. . . . It can be used as a textbook for a graduate course in set theory and can serve as a reference book.' 
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Joseph, George Gheverghese, The Crest of the Peacock: Non-European Roots of Mathematics, Princeton University Press 2010 'From the Ishango Bone of central Africa and the Inca quipu of South America to the dawn of modern mathematics, The Crest of the Peacock makes it clear that human beings everywhere have been capable of advanced and innovative mathematical thinking. George Gheverghese Joseph takes us on a breathtaking multicultural tour of the roots and shoots of non-European mathematics. He shows us the deep influence that the Egyptians and Babylonians had on the Greeks, the Arabs' major creative contributions, and the astounding range of successes of the great civilizations of India and China.' 
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Khinchin, Aleksandr Yakovlevich, Mathematical Foundations of Information Theory (translated by P A Silvermann and M D Friedman), Dover 1957 Jacket: 'The first comprehensive introduction to information theory, this book places the work begun by Shannon and continued by McMillan, Feinstein and Khinchin on a rigorous mathematical basis. For the first time, mathematicians, statisticians, physicists, cyberneticists and communications engineers are offered a lucid, comprehensive introduction to this rapidly growing field.' 
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Kuhn, Thomas S, The Structure of Scientific Revolutions, U of Chicago Press 1996 Introduction: 'a new theory, however special its range of application, is seldom just an increment to what is already known. Its assimilation requires the reconstruction of prior theory and the re-evaluation of prior fact, an intrinsically revolutionary process that is seldom completed by a single man, and never overnight.' [p 7]  
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Lonergan, Bernard J F, and Robert M. Doran, Frederick E. Crowe (eds), Verbum : Word and Idea in Aquinas (Collected Works of Bernard Lonergan volume 2), University of Toronto Press 1997 Jacket: 'Verbum is a product of Lonergan's eleven years of study of the thought of Thomas Aquinas. The work is considered by many to be a breakthrough in the history of Lonergan's theology ... . Here he interprets aspects in the writing of Aquinas relevant to trinitarian theory and, as in most of Lonergan's work, one of the principal aims is to assist the reader in the search to understand the workings of the human mind.' 
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Neuenschwander, Dwight E, Emmy Noether's Wonderful Theorem, Johns Hopkins University Press 2011 Jacket: A beautiful piece of mathematics, Noether's therem touches on every aspect of physics. Emmy Noether proved her theorem in 1915 and published it in 1918. This profound concept demonstrates the connection between conservation laws and symmetries. For instance, the theorem shows that a system invariant under translations of time, space or rotation will obey the laws of conservation of energy, linear momentum or angular momentum respectively. This exciting result offers a rich unifying principle for all of physics.' 
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Newton, Isaac, and Julia Budenz, I. Bernard Cohen, Anne Whitman (Translators), The Principia Mathematica: I Principles of Natural Philosophy, University of California Press 1999 This completely new translation, the first in 270 years, is based on the third (1726) edition, the final revised version approved by Newton; it includes extracts from the earlier editions, corrects errors found in earlier versions, and replaces archaic English with contemporary prose and up-to-date mathematical forms. . . . The illuminating Guide to the Principia by I. Bernard Cohen, along with his and Anne Whitman's translation, will make this preeminent work truly accessible for today's scientists, scholars, and students. 
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Nielsen, Michael A, and Isaac L Chuang, Quantum Computation and Quantum Information, Cambridge University Press 2000 Review: A rigorous, comprehensive text on quantum information is timely. The study of quantum information and computation represents a particularly direct route to understanding quantum mechanics. Unlike the traditional route to quantum mechanics via Schroedinger's equation and the hydrogen atom, the study of quantum information requires no calculus, merely a knowledge of complex numbers and matrix multiplication. In addition, quantum information processing gives direct access to the traditionally advanced topics of measurement of quantum systems and decoherence.' Seth Lloyd, Department of Quantum Mechanical Engineering, MIT, Nature 6876: vol 416 page 19, 7 March 2002. 
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Pais, Abraham, 'Subtle is the Lord...': The Science and Life of Albert Einstein, Oxford UP 1982 Jacket: In this . . . major work Abraham Pais, himself an eminent physicist who worked alongside Einstein in the post-war years, traces the development of Einstein's entire ouvre. . . . Running through the book is a completely non-scientific biography . . . including many letters which appear in English for the first time, as well as other information not published before.' 
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Peacock, John A, Cosmological Physics, Cambridge University Press 1999 Nature Book Review: ' The intermingling of observational detail and fundamental theory has made cosmology an exceptionally rich, exciting and controversial science. Students in the field — whether observers or particle theorists — are expected to be acquainted with matters ranging from the Supernova Ia distance scale, Big Bang nucleosynthesis theory, scale-free quantum fluctuations during inflation, the galaxy two-point correlation function, particle theory candidates for the dark matter, and the star formation history of the Universe. Several general science books, conference proceedings and specialized monographs have addressed these issues. Peacock's Cosmological Physics ambitiously fills the void for introducing students with a strong undergraduate background in physics to the entire world of current physical cosmology. The majestic sweep of his discussion of this vast terrain is awesome, and is bound to capture the imagination of most students.' Ray Carlberg, Nature 399:322 
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Reid, Constance, Hilbert-Courant, Springer Verlag 1986 Jacket: '[Hilbert] is woven out of three distinct themes. It presents a sensitive portrait of a great human being. It describes accurately and intelligibly on a non-technical level the world of mathematical ideas in which Hilbert created his masterpieces. And it illuminates the background of German social history against which the drama of Hilbert's life was played. ... Beyond this, it is a poem in praise of mathematics.' Science 
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Teilhard de Chardin, Pierre, The Phenomenon of Man, Collins 1965 Sir Julian Huxley, Introduction: 'We, mankind, contain the possibilities of the earth's immense future, and can realise more and more of them on condition that we increase our knowledge and our love. That, it seems to me, is the distillation of the Phenomenon of Man.'  
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von Neumann, John, and Robert T Beyer (translator), Mathematical Foundations of Quantum Mechanics, Princeton University Press 1983 Jacket: '. . . a revolutionary book that caused a sea change in theoretical physics. . . . JvN begins by presenting the theory of Hermitean operators and Hilbert spaces. These provide the framework for transformation theory, which JvN regards as the definitive form of quantum mechanics. . . . Regarded as a tour de force at the time of its publication, this book is still indispensable for those interested in the fundamental issues of quantum mechanics.' 
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Whitehead, Alfred North, and Bertrand Arthur Russell, Principia Mathematica (Cambridge Mathematical Library), Cambridge University Press 1910, 1962 The great three-volume Principia Mathematica is deservedly the most famous work ever written on the foundations of mathematics. Its aim is to deduce all the fundamental propositions of logic and mathematics from a small number of logical premisses and primitive ideas, and so to prove that mathematics is a development of logic. Not long after it was published, Goedel showed that the project could not completely succeed, but that in any system, such as arithmetic, there were true propositions that could not be proved.  
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Zee, Anthony, Quantum Field Theory in a Nutshell, Princeton University Press 2003 Amazon book description: 'An esteemed researcher and acclaimed popular author takes up the challenge of providing a clear, relatively brief, and fully up-to-date introduction to one of the most vital but notoriously difficult subjects in theoretical physics. A quantum field theory text for the twenty-first century, this book makes the essential tool of modern theoretical physics available to any student who has completed a course on quantum mechanics and is eager to go on. Quantum field theory was invented to deal simultaneously with special relativity and quantum mechanics, the two greatest discoveries of early twentieth-century physics, but it has become increasingly important to many areas of physics. These days, physicists turn to quantum field theory to describe a multitude of phenomena. Stressing critical ideas and insights, Zee uses numerous examples to lead students to a true conceptual understanding of quantum field theory--what it means and what it can do. He covers an unusually diverse range of topics, including various contemporary developments,while guiding readers through thoughtfully designed problems. In contrast to previous texts, Zee incorporates gravity from the outset and discusses the innovative use of quantum field theory in modern condensed matter theory. Without a solid understanding of quantum field theory, no student can claim to have mastered contemporary theoretical physics. Offering a remarkably accessible conceptual introduction, this text will be widely welcomed and used.  
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Papers

Dauben, Joseph W., "Georg Cantor and Pope Leo XIII: Mathematics, Theology and the Infinite", Journsl of the History of Ideas, 38, 1, Jan - Mar 1977, page 85-108. 'George Cantor (1845-1918) is chiefly remembered for his creation of transfinite set theory, which revolutionized mathematics by making possible a new, powerful approach to understanding the nature of the infinite. But Cantor's concerns extended well beyond the purely technical content of his research, for he responded seriously to criticism from philosophers and theologians as he sought to advance and refine his transfinite set theory. He was also keenly aware of the ways in which his work might in turn air and improve both philosophy and theology.'. back

Links

Action (physics) - Wikipedia, Action (physics) - Wikipedia, the free encyclopedia, 'In physics, action is an attribute of the dynamics of a physical system from which the equations of motion of the system can be derived. It is a mathematical functional which takes the trajectory, also called path or history, of the system as its argument and has a real number as its result. Generally, the action takes different values for different paths. Action has the dimensions of energy.time or momentum.length], and its SI unit is joule-second.' back

Actus et potentia - Wikipedia, Actus et potentia - Wikipedia, the free encyclopedia, 'The terms actus and potentia were used by the scholastics to translate Aristotle's use of the terms energeia or entelecheia, and dynamis. There is no single word in English that would be an exact rendering of either. Act, action, actuality, perfection, and determination express the various meanings of actus; potency, potentiality, power, and capacity, those of potentia.' back

Ad Gentes (Vatican II), Decree on the Mission Activity of the Church, 'Divinely sent to the nations of the world to be unto them "a universal sacrament of salvation," the Church, driven by the inner necessity of her own catholicity, and obeying the mandate of her Founder (cf. Mark 16:16), strives ever to proclaim the Gospel to all men. The Apostles themselves, on whom the Church was founded, following in the footsteps of Christ, "preached the word of truth and begot churches." It is the duty of their successors to make this task endure "so that the word of God may run and be glorified (2 Thess. 3:1) and the kingdom of God be proclaimed and established throughout the world.' back

Affine connection - Wikipedia, Affine connection - Wikipedia, the free encyclopedia, 'In the mathematical field of differential geometry, an affine connection is a geometrical object on a smooth manifold which connects nearby tangent spaces, and so permits tangent vector fields to be differentiated as if they were functions on the manifold with values in a fixed vector space back

Allegory of the cave - Wikipedia, Allegory of the cave - Wikipedia, the free encyclopedia, 'Plato has Socrates describe a gathering of people who have lived chained to the wall of a cave all of their lives, facing a blank wall. The people watch shadows projected on the wall by things passing in front of a fire behind them, and begin to designate names to these shadows. The shadows are as close as the prisoners get to viewing reality. He then explains how the philosopher is like a prisoner who is freed from the cave and comes to understand that the shadows on the wall do not make up reality at all, as he can perceive the true form of reality rather than the mere shadows seen by the prisoners.' back

Andrew Duffy, de Broglie's Justification of Bohr's Assumption, ' de Broglie came up with an explanation for why the angular momentum might be quantized in the manner Bohr assumed it was. de Broglie realized that if you use the wavelength associated with the electron, and assume that an integral number of wavelengths must fit in the circumference of an orbit, you get the same quantized angular momenta that Bohr did.' back

Anthropic principle - Wikipedia, Anthropic principle - Wikipedia, the free encyclopedia, 'The anthropic principle (from Greek anthropos, meaning "human") is the philosophical consideration that observations of the universe must be compatible with the conscious and sapient life that observes it. Some proponents of the anthropic principle reason that it explains why the universe has the age and the fundamental physical constants necessary to accommodate conscious life. As a result, they believe it is unremarkable that the universe's fundamental constants happen to fall within the narrow range thought to be compatible with life.' back

Apophatic theology - Wikipedia, Apophatic theology - Wikipedia, the free encyclopedia, 'Apophatic theology (from Greek ἀπόφασις from ἀπόφημι - apophēmi, "to deny")—also known as negative theology or via negativa (Latin for "negative way")—is a theology that attempts to describe God, the Divine Good, by negation, to speak only in terms of what may not be said about the perfect goodness that is God. It stands in contrast with cataphatic theology.' back

Aquinas Summa I, 2, 3, Does God exist?, 'I answer that, The existence of God can be proved in five ways. The first and more manifest way is the argument from motion. . . . ' back

Aquinas Summa Theologiae I,18, 3, Is life properly attributed to God?, 'Objection 1. It seems that life is not properly attributed to God. For things are said to live inasmuch as they move themselves, as previously stated (Article 2). But movement does not belong to God. Neither therefore does life. . . . Reply to Objection 1. As stated in Metaph. ix, 16, action is twofold. Actions of one kind pass out to external matter, as to heat or to cut; whilst actions of the other kind remain in the agent, as to understand, to sense and to will. The difference between them is this, that the former action is the perfection not of the agent that moves, but of the thing moved; whereas the latter action is the perfection of the agent.' back

Aquinas Summa I, 2, 1, Is the existence of God self evident?, '. . . I say that this proposition, "God exists," of itself is self-evident, for the predicate is the same as the subject, because God is His own existence . . . Now because we do not know the essence of God, the proposition is not self-evident to us; but needs to be demonstrated by things that are more known to us, though less known in their nature — namely, by effects.' back

Aquinas Summa: I, 83, 1, Whether man has free will, '. . . But man acts from judgment, because by his apprehensive power he judges that something should be avoided or sought. But because this judgment, in the case of some particular act, is not from a natural instinct, but from some act of comparison in the reason, therefore he acts from free judgment and retains the power of being inclined to various things. For reason in contingent matters may follow opposite courses, as we see in dialectic syllogisms and rhetorical arguments. Now particular operations are contingent, and therefore in such matters the judgment of reason may follow opposite courses, and is not determinate to one. And forasmuch as man is rational is it necessary that man have a free-will.' back

Aquinas Summa: II, II, 4, 1, Is this a fitting definition of faith: "Faith is the substance of things hoped for, the evidence of things that appear not?" (Hebrews 11:1), 'I answer that, Though some say that the above words of the Apostle are not a definition of faith, yet if we consider the matter aright, this definition overlooks none of the points in reference to which faith can be defined, albeit the words themselves are not arranged in the form of a definition, just as the philosophers touch on the principles of the syllogism, without employing the syllogistic form.' back

Aquinas Summa I, 1, 8:, Is sacred doctrine a matter of argument?, 'This doctrine is especially based upon arguments from authority, inasmuch as its principles are obtained by revelation: thus we ought to believe on the authority of those to whom the revelation has been made. Nor does this take away from the dignity of this doctrine, for although the argument from authority based on human reason is the weakest, yet the argument from authority based on divine revelation is the strongest. But sacred doctrine makes use even of human reason, not, indeed, to prove faith (for thereby the merit of faith would come to an end), but to make clear other things that are put forward in this doctrine. Since therefore grace does not destroy nature but perfects it, natural reason should minister to faith as the natural bent of the will ministers to charity.' back

Aquinas, Summa, I, 1, 2, Is sacred doctrine is a science?, 'I answer that, Sacred doctrine is a science. We must bear in mind that there are two kinds of sciences. There are some which proceed from a principle known by the natural light of intelligence, such as arithmetic and geometry and the like. There are some which proceed from principles known by the light of a higher science: thus the science of perspective proceeds from principles established by geometry, and music from principles established by arithmetic. So it is that sacred doctrine is a science because it proceeds from principles established by the light of a higher science, namely, the science of God and the blessed.' back

Aquinas, Summa, I, 3, 7, Is God is altogether simple? , 'I answer that, The absolute simplicity of God may be shown in many ways. First, from the previous articles of this question. For there is neither composition of quantitative parts in God, since He is not a body; nor composition of matter and form; nor does His nature differ from His "suppositum"; nor His essence from His existence; neither is there in Him composition of genus and difference, nor of subject and accident. Therefore, it is clear that God is nowise composite, but is altogether simple. . . . ' back

Aquinas, Summa: I, 14, 1, Is there knowledge in God?, 'I answer that, In God there exists the most perfect knowledge. To prove this, we must note that intelligent beings are distinguished from non-intelligent beings in that the latter possess only their own form; whereas the intelligent being is naturally adapted to have also the form of some other thing; for the idea of the thing known is in the knower. Hence it is manifest that the nature of a non-intelligent being is more contracted and limited; whereas the nature of intelligent beings has a greater amplitude and extension; therefore the Philosopher says (De Anima iii) that "the soul is in a sense all things." Now the contraction of the form comes from the matter. Hence, as we have said above (Question 7, Article 1) forms according as they are the more immaterial, approach more nearly to a kind of infinity. Therefore it is clear that the immateriality of a thing is the reason why it is cognitive; and according to the mode of immateriality is the mode of knowledge. Hence it is said in De Anima ii that plants do not know, because they are wholly material. But sense is cognitive because it can receive images free from matter, and the intellect is still further cognitive, because it is more separated from matter and unmixed, as said in De Anima iii. Since therefore God is in the highest degree of immateriality as stated above (Question 7, Article 1), it follows that He occupies the highest place in knowledge. back

Aquinas, Summa I, 25, 3, Is God omnipotent?, '. . . God is called omnipotent because He can do all things that are possible absolutely; which is the second way of saying a thing is possible. For a thing is said to be possible or impossible absolutely, according to the relation in which the very terms stand to one another, possible if the predicate is not incompatible with the subject, as that Socrates sits; and absolutely impossible when the predicate is altogether incompatible with the subject, as, for instance, that a man is a donkey.' back

Aquinas, Summa, I, 83, 1, Whether man has free will, '. . . But man acts from judgment, because by his apprehensive power he judges that something should be avoided or sought. But because this judgment, in the case of some particular act, is not from a natural instinct, but from some act of comparison in the reason, therefore he acts from free judgment and retains the power of being inclined to various things. For reason in contingent matters may follow opposite courses, as we see in dialectic syllogisms and rhetorical arguments. Now particular operations are contingent, and therefore in such matters the judgment of reason may follow opposite courses, and is not determinate to one. And forasmuch as man is rational is it necessary that man have a free-will.' back

Aquinas, Summa, I, 14, 8, Is the knowledge of God the cause of things?, 'Now it is manifest that God causes things by His intellect, since His being is His act of understanding; and hence His knowledge must be the cause of things, in so far as His will is joined to it. Hence the knowledge of God as the cause of things is usually called the "knowledge of approbation." ted above it follows that He occupies the highest place in knowledge.' back

Aquinas, Summa, I, 14, 9, Does God know things that are not?, 'I answer that, God knows all things whatsoever that in any way are. Now it is possible that things that are not absolutely, should be in a certain sense. For things absolutely are which are actual; whereas things which are not actual, are in the power either of God Himself or of a creature, whether in active power, or passive; whether in power of thought or of imagination, or of any other manner of meaning whatsoever. Whatever therefore can be made, or thought, or said by the creature, as also whatever He Himself can do, all are known to God, although they are not actual. And in so far it can be said that He has knowledge even of things that are not.' back

Aquinas, Summa, I, 27, 1, Is there procession in God?, 'As God is above all things, we should understand what is said of God, not according to the mode of the lowest creatures, namely bodies, but from the similitude of the highest creatures, the intellectual substances; while even the similitudes derived from these fall short in the representation of divine objects. Procession, therefore, is not to be understood from what it is in bodies, either according to local movement or by way of a cause proceeding forth to its exterior effect, as, for instance, like heat from the agent to the thing made hot. Rather it is to be understood by way of an intelligible emanation, for example, of the intelligible word which proceeds from the speaker, yet remains in him. In that sense the Catholic Faith understands procession as existing in God.' back

Aquinas, Summa, I, 3, 7, Is God altogether simple?, 'I answer that, The absolute simplicity of God may be shown in many ways. First, from the previous articles of this question. For there is neither composition of quantitative parts in God, since He is not a body; nor composition of matter and form; nor does His nature differ from His "suppositum"; nor His essence from His existence; neither is there in Him composition of genus and difference, nor of subject and accident. Therefore, it is clear that God is nowise composite, but is altogether simple. . . . ' back

Aquinas, Summa, I,14, 13, Does God know future contingent things?, 'I answer that, Since as was shown above (Article 9), God knows all things; not only things actual but also things possible to Him and creature; and since some of these are future contingent to us, it follows that God knows future contingent things. back

Aquinas, Summa, II, I, 109, 7, Can man rise from sin without the help of grace?, 'I answer that, Man by himself can no wise rise from sin without the help of grace. . . .Now man incurs a triple loss by sinning, . . . viz. stain, corruption of natural good, and debt of punishment. He incurs a stain, inasmuch as he forfeits the lustre of grace through the deformity of sin. Natural good is corrupted, inasmuch as man's nature is disordered by man's will not being subject to God's; and this order being overthrown, the consequence is that the whole nature of sinful man remains disordered. Lastly, there is the debt of punishment, inasmuch as by sinning man deserves everlasting damnation. Now it is manifest that none of these three can be restored except by God.' back

Aquinas, Summa, II, I, 110, 2, Is grace a quality of the soul?, 'God so provides for natural creatures, that not merely does He move them to their natural acts, but He bestows upon them certain forms and powers, which are the principles of acts, in order that they may of themselves be inclined to these movements, and thus the movements whereby they are moved by God become natural and easy to creatures, according to Wisdom 8:1: "she . . . ordereth all things sweetly." Much more therefore does He infuse into such as He moves towards the acquisition of supernatural good, certain forms or supernatural qualities, whereby they may be moved by Him sweetly and promptly to acquire eternal good; and thus the gift of grace is a quality.' back

Archimedean property - Wikipedia, Archimedean property - Wikipedia, the free encyclopedia, 'In abstract algebra and analysis, the Archimedean property, named after the ancient Greek mathematician Archimedes of Syracuse, is a property held by some algebraic structures, such as ordered or normed groups, and fields. Roughly speaking, it is the property of having no infinitely large or infinitely small elements.' back

Archimedes - Wikipedia, Archimedes - Wikipedia, the free encyclopedia, 'Archimedes of Syracuse (c. 287 – c. 212 BC) was a Greek mathematician, physicist, engineer, inventor, and astronomer. Although few details of his life are known, he is regarded as one of the leading scientists in classical antiquity. Generally considered the greatest mathematician of antiquity and one of the greatest of all time, Archimedes anticipated modern calculus and analysis by applying concepts of infinitesimals and the method of exhaustion to derive and rigorously prove a range of geometrical theorems, including the area of a circle, the surface area and volume of a sphere, and the area under a parabola.' back

Aristotle, Metaphysics, Book XII, vii, 'But since there is something which moves while itself unmoved, existing actually, this can in no way be otherwise than as it is. For motion in space is the first of the kinds of change, and motion in a circle the first kind of spatial motion; and this the first mover produces. The first mover, then, exists of necessity; and in so far as it exists by necessity, its mode of being is good, and it is in this sense a first principle.' 1072b3 sqq back

Aristotle (Motion), Aquinas' Commentary on Aristotle's Physics 201a10 sqq, ' ἡ τοῦ δυνάμει ὄντος ἐντελέχεια, ᾗ τοιοῦτον, κίνησίς ἐστιν [motus est entelechia, idest actus existentis in potentia secundum quod huiusmodi. The fulfilment of what exists potentially, in so far as it exists potentially, is motion] back

Aristotle (Nature), Aquinas' Commentary on Aristotle's Physics 192b22 sqq, ' φύσεως ἀρχῆς τινὸς καὶ αἰτίας τοῦ κινεῖσθαι καὶ ἠρεμεῖν ἐν ᾧ ὑπάρχει πρώτως καθ' αὑτὸ καὶ μὴ κατὰ συμβεβηκός [natura nihil aliud est quam principium motus et quietis in eo in quo est primo et per se et non secundum accidens. Nature is a source or cause of being moved and of being at rest in that to which it belongs primarily, in virtue of itself and not in virtue of a concomitant attribute.' back

Aristotle (Time), Aquinas' Commentary on Aristotle's Physics 219b sqq, ' τοῦτο γάρ ἐστιν ὁ χρόνος, ἀριθμὸς κινήσεως κατὰ τὸ πρότερον καὶ ὕστερον. [tempus est numerus motus secundum prius et posterius: time is the number of motion according to nefore and after ] back

Aristotle 1071b12, Metaphysics book XII, vi, 2, ' back

Aristotle, Metaphysics, Metaphysics, Book XII, vii, 'But since there is something which moves while itself unmoved, existing actually, this can in no way be otherwise than as it is. For motion in space is the first of the kinds of change, and motion in a circle the first kind of spatial motion; and this the first mover produces. The first mover, then, exists of necessity; and in so far as it exists by necessity, its mode of being is good, and it is in this sense a first principle.' 1072b3 sqq back

Aristotle, Physics, VI, ix, Achilled and the tortoise, In a race, the quickest runner can never overtake the slowest, since the pursuer must first reach the point whence the pursued started, so that the slower must always hold a lead. Physics VI:9, 239b15 back

Aristotle: 1072b14 sqq, Metaphysics book XII, 'Such, then, is the first principle upon which depend the sensible universe and the world of nature.And its life is like the best which we temporarily enjoy. It must be in that state always (which for us is impossible), since its actuality is also pleasure.. . . .If, then, the happiness which God always enjoys is as great as that which we enjoy sometimes, it is marvellous; and if it is greater, this is still more marvellous. Nevertheless it is so. Moreover, life belongs to God. For the actuality of thought is life, and God is that actuality; and the essential actuality of God is life most good and eternal. We hold, then, that God is a living being, eternal, most good; and therefore life and a continuous eternal existence belong to God; for that is what God is.' back

Arithmetic - Wikipedia, Arithmetic - Wikipedia, the free encyclopedia, 'Arithmetic or arithmetics (from the Greek word ἀριθμός, arithmos “number”) is the oldest and most elementary branch of mathematics, used by almost everyone, for tasks ranging from simple day-to-day counting to advanced science and business calculations.' back

Ashley Montanaro, The past, present and future history of quantum computing, ' A quantum computer is a machine designed to use the principles of quantum mechanics to do things which are fundamentally impossible for any computer which only uses classical physics. This lecture will discuss the history of quantum computing, including: 1. The basic concepts behind quantum mechanics 2. How we can use these concepts for teleportation and cryptography 3. Quantum algorithms outperforming classical algorithms 4. Experimental implementations of quantum computing 5. Commercialisation of quantum technologies ' back

Atomic clock - Wikipedia, Atomic clock - Wikipedia, the free encyclopedia, 'An atomic clock is a clock device that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its timekeeping element.' back

Augustine, On the Trinity (translated by Arthur West Haddan), back

Augustine of Hippo - Wikipedia, Augustine of Hippo - Wikipedia, 'Saint Augustine (November 13, 354 – August 28, 430), Bishop of Hippo, in Algeria, was a philosopher and theologian. Augustine, a Latin Father and Doctor of the Church, is one of the most important figures in the development of Western Christianity. Augustine was radically influenced by Platonic doctrines. He framed the concepts of original sin and just war. When Rome fell and the faith of many Christians was shaken, Augustine developed the concept of the Church as a spiritual City of God, distinct from the material City of Man.[2] His thought profoundly influenced the medieval worldview.' back

Axiom of power set - Wikipedia, Axiom of power set - Wikipedia, the free encyclopedia, 'In mathematics, the axiom of power set is one of the Zermelo–Fraenkel axioms of axiomatic set theory. . . . succinctly: for every set x there is a set P(x) consisting precisely of the subsets of x. . . . The axiom of power set appears in most axiomatizations of set theory. back

Big Bang - Wikipedia, Big Bang - Wikipedia, the free encyclopedia, 'The Big Bang theory is the prevailing cosmological model that explains the early development of the Universe. According to the Big Bang theory, the Universe was once in an extremely hot and dense state which expanded rapidly. This rapid expansion caused the young Universe to cool and resulted in its present continuously expanding state. According to the most recent measurements and observations, this original state existed approximately 13.7 billion years ago, which is considered the age of the Universe and the time the Big Bang occurred. ' back

Bolzano-Weierstrass theorem - Wikipedia, Bolzano-Weierstrass theorem - Wikipedia, the free encyclopedia, 'In mathematics, specifically in real analysis, real analysis, the Bolzano–Weierstrass theorem, named after Bernard Bolzano and Karl Weierstrass, is a fundamental result about convergence in a finite-dimensional Euclidean space Rn. The theorem states that each bounded sequence in Rn has a convergent subsequence. An equivalent formulation is that a subset of Rn is sequentially compact if and only if it is closed and bounded.' back

Boolean algebra - Wikipedia, Boolean algebra - Wikipedia, the free encyclopedia, 'In mathematics and mathematical logic, Boolean algebra is the branch of algebra in which the values of the variables are the truth values true and false, usually denoted 1 and 0 respectively. Instead of elementary algebra where the values of the variables are numbers, and the main operations are addition and multiplication, the main operations of Boolean algebra are the conjunction and, denoted ∧, the disjunction or, denoted ∨, and the negation not, denoted ¬. It is thus a formalism for describing logical relations in the same way that ordinary algebra describes numeric relations.' back

Born rule - Wikipedia, Born rule - Wikipedia, the free encyclopedia, 'The Born rule (also called the Born law, Born's rule, or Born's law) is a law of quantum mechanics which gives the probability that a measurement on a quantum system will yield a given result. It is named after its originator, the physicist Max Born. The Born rule is one of the key principles of the Copenhagen interpretation of quantum mechanics. There have been many attempts to derive the Born rule from the other assumptions of quantum mechanics, with inconclusive results. . . . The Born rule states that if an observable corresponding to a Hermitian operator A with discrete spectrum is measured in a system with normalized wave function (see bra-ket notation), then the measured result will be one of the eigenvalues λ of A, and the probability of measuring a given eigenvalue λi will equal <ψ|Pi|ψ> where Pi is the projection onto the eigenspace of A corresponding to λi'. back

Boson - Wikipedia, Boson - Wikipedia, the free encyclopedia, 'In particle physics, bosons are particles with an integer spin, as opposed to fermions which have half-integer spin. From a behaviour point of view, fermions are particles that obey the Fermi-Dirac statistics while bosons are particles that obey the Bose-Einstein statistics. They may be either elementary, like the photon, or composite, as mesons. All force carrier particles are bosons. They are named after Satyendra Nath Bose. In contrast to fermions, several bosons can occupy the same quantum state. Thus, bosons with the same energy can occupy the same place in space.' back

Brouwer fixed point theorem - Wikipedia, Brouwer fixed point theorem - Wikipedia, the free encyclopedia, 'Brouwer's fixed-point theorem is a fixed-point theorem in topology, named after Luitzen Brouwer. It states that for any continuous function f with certain properties there is a point x0 such that f(x0) = x0. The simplest form of Brouwer's theorem is for continuous functions f from a disk D to itself. A more general form is for continuous functions from a convex compact subset K of Euclidean space to itself. back

Calculus - Wikipedia, Calculus - Wikipedia, the free encyclopedia, 'Calculus (Latin, calculus, a small stone used for counting) is a discipline in mathematics focused on limits, functions, derivatives, integrals, and infinite series. This subject constitutes a major part of modern university education. It has two major branches, differential calculus and integral calculus, which are related by the fundamental theorem of calculus. Calculus is the study of change, in the same way that geometry is the study of shape and algebra is the study of equations.' back

Calculus of variations - Wikipedia, Calculus of variations - Wikipedia, the free encylopedia, 'Calculus of variations is a field of mathematical analysis that deals with maximizing or minimizing functionals, which are mappings from a set of functions to the real numbers. Functionals are often expressed as definite integrals involving functions and their derivatives. The interest is in extremal functions that make the functional attain a maximum or minimum value – or stationary functions – those where the rate of change of the functional is zero.' back

Cantor's paradise - Wikipedia, Cantor's paradise - Wikipedia, the fre encyclopedia, 'Cantor's paradise is an expression used by David Hilbert . . . in describing set theory and infinite cardinal numbers developed by Georg Cantor. The context of Hilbert's comment was his opposition to what he saw as L. E. J. Brouwer's reductive attempts to circumscribe what kind of mathematics is acceptable; see Brouwer–Hilbert controversy.' back

Cantor's paradox - Wikipedia, Cantor's paradox - Wikipedia, the free encyclopedia, 'In set theory, Cantor's paradox is derivable from the theorem that there is no greatest cardinal number, so that the collection of "infinite sizes" is itself infinite. The difficulty is handled in axiomatic set theory by declaring that this collection is not a set but a proper class; in von Neumann–Bernays–Gödel set theory it follows from this and the axiom of limitation of size that this proper class must be in bijection with the class of all sets. Thus, not only are there infinitely many infinities, but this infinity is larger than any of the infinities it enumerates.' back

Cantor's theorem - Wikipedia, Cantor's theorem - Wikipedia, the free encyclopedia, 'In elementary set theory, Cantor's theorem states that, for any set A, the set of all subsets of A (the power set of A) has a strictly greater cardinality than A itself. For finite sets, Cantor's theorem can be seen to be true by a much simpler proof than that given below, since in addition to subsets of A with just one member, there are others as well, and since n < 2n for all natural numbers n. But the theorem is true of infinite sets as well. In particular, the power set of a countably infinite set is uncountably infinite. The theorem is named for German mathematician Georg Cantor, who first stated and proved it.' back

Cardinality of the continuum - Wikipedia, Cardinality of the continuum - Wikipedia, the free encyclopedia, 'In mathematics, the cardinality of the continuum (sometimes also called the power of the continuum) is the cardinal number of the set of real numbers R (sometimes called the continuum). This cardinal number is often denoted by c, so c = R.' back

Carl Safina, In Defense of Biodiversity: Why Protecting Species from Extinction Matters, 'A number of biologists have recently made the argument that extinction is part of evolution and that saving species need not be a conservation priority. But this revisionist thinking shows a lack of understanding of evolution and an ignorance of the natural world.' back

Cartesian coordinate system - Wikipedia, Cartesian coordinate system - Wikipedia, the free encyclopedia, ' A Cartesian coordinate system is a coordinate system that specifies each point uniquely in a plane by a set of numerical coordinates, which are the signed distances to the point from two fixed perpendicular directed lines, measured in the same unit of length. Each reference line is called a coordinate axis or just axis (plural axes) of the system, and the point where they meet is its origin, at ordered pair (0, 0).' back

Catechism of the Catholic Church - Wikipedia, Catechism of the Catholic Church - Wikipedia, the free encyclopedia, 'The Catechism of the Catholic Church (Latin: Catechismus Catholicae Ecclesiae; commonly called the Catechism or the CCC) is a catechism promulgated for the Catholic Church by Pope John Paul II in 1992. It sums up, in book form, the beliefs of the Catholic faithful.' back

Catholic Catechism p1, s2, c3, a9, p2, II. The Church - Body of Christ, 787 From the beginning, Jesus associated his disciples with his own life, revealed the mystery of the Kingdom to them, and gave them a share in his mission, joy, and sufferings. Jesus spoke of a still more intimate communion between him and those who would follow him: "Abide in me, and I in you. . . . I am the vine, you are the branches." And he proclaimed a mysterious and real communion between his own body and ours: "He who eats my flesh and drinks my blood abides in me, and I in him." ' back

Christian Eschatology - Wikipedia, Christian Eschatology - Wikipedia, the free encyclopedia, ' Broadly speaking, Christian eschatology is the study concerned with the ultimate destiny of the individual soul and the entire created order, based primarily upon biblical texts within the Old and New Testament. Christian eschatology looks to study and discuss matters such as death and the afterlife, Heaven and Hell, the second coming Jesus, the resurrection of the dead, the rapture, the tribulation, millennialism, the end of the world, the Last Judgment, and the New Heaven and New Earth in the world to come. ' back

Christies 25 November 1996, Sale 8586 The Einstein-Besso Manuscript, 'Autograph manuscript, comprising a series of calculations using the early version (''Entwurf'') of the field equations of Einstein's general theory of relativity, the aim of which was to test whether the theory could account for the well-known anomaly in the motion of the perihelion of Mercury. 26 pages in Einstein's hand; 25 pages in Besso's; 3 pages with entries of both collaborators (many pages with contributions of one to entries of the other).' back

Christopher Shields (Stanford Encyclopedia of Philosophy), Aristotle , First published Thu Sep 25, 2008 'Aristotle (384–322 B.C.E.) numbers among the greatest philosophers of all time. Judged solely in terms of his philosophical influence, only Plato is his peer: . . . A prodigious researcher and writer, Aristotle left a great body of work, perhaps numbering as many as two-hundred treatises, from which approximately thirty-one survive. His extant writings span a wide range of disciplines, from logic, metaphysics and philosophy of mind, through ethics, political theory, aesthetics and rhetoric, and into such primarily non-philosophical fields as empirical biology, where he excelled at detailed plant and animal observation and taxonomy. In all these areas, Aristotle's theories have provided illumination, met with resistance, sparked debate, and generally stimulated the sustained interest of an abiding readership.' back

Chronology of the universe - Wikipedia, Chronology of the universe - Wikipedia, the free encyclopedia, 'The chronology of the universe describes the history and future of the universe according to Big Bang cosmology, the prevailing scientific model of how the universe developed over time from the Planck epoch, using the cosmological time parameter of comoving coordinates. The metric expansion of space is estimated to have begun 13.8 billion years ago.' back

Church Fathers - Wikipedia, Church Fathers - Wikipedia, the free encyclopedia, 'The Church Fathers, Early Church Fathers, Christian Fathers, or Fathers of the Church were early and influential theologians, eminent Christian teachers and great bishops. Their scholarly works were used as a precedent for centuries to come (see Proto-orthodox Christianity). The term was used of writers and teachers of the Church, not necessarily "saints", though most are honoured as saints in the Roman Catholic, Eastern Orthodox, and Oriental Orthodox Churches, as well as in some other Christian groups; notably, the heretics Origen and Tertullian (as described herein below) are generally reckoned as Church Fathers.' back

Circle group - Wikipedia, Circle group - Wikipedia, the free encyclopedia, ' In mathematics, the circle group, denoted by T, is the multiplicative group of all complex numbers with absolute value 1, i.e., the unit circle in the complex plane or simply the unit complex numbers.' back

Claude E Shannon, A Mathematical Theory of Communication, 'The fundamental problem of communication is that of reproducing at one point either exactly or approximately a message selected at another point. Frequently the messages have meaning; that is they refer to or are correlated according to some system with certain physical or conceptual entities. These semantic aspects of communication are irrelevant to the engineering problem. The significant aspect is that the actual message is one selected from a set of possible messages.' back

Claude Shannon, Communication in the Presence of Noise, 'A method is developed for representing any communication system geometrically. Messages and the corresponding signals are points in two “function spaces,” and the modulation process is a mapping of one space into the other. Using this representation, a number of results in communication theory are deduced concerning expansion and compression of bandwidth and the threshold effect. Formulas are found for the maximum rate of transmission of binary digits over a system when the signal is perturbed by various types of noise. Some of the properties of “ideal” systems which transmit at this maximum rate are discussed. The equivalent number of binary digits per second for certain information sources is calculated.' back

Codec - Wikipedia, Codec - Wikipedia, the free encyclopedia, 'A codec is a device or computer program capable of encoding or decoding a digital data stream or signal. Codec is a portmanteau of coder-decoder or, less commonly, compressor-decompressor.' back

Compact space - Wikipedia, Compact space - Wikipedia, the free encyclopedia, 'In mathematics, and more specifically in general topology, compactness is a property that generalizes the notion of a subset of Euclidean space being closed (that is, containing all its limit points) and bounded (that is, having all its points lie within some fixed distance of each other). Examples include a closed interval, a rectangle, or a finite set of points. This notion is defined for more general topological spaces than Euclidean space in various ways.' back

Completeness of the real numbers - Wikipedia, Completeness of the real numbers - Wikipedia, the free encyclopedia, 'Intuitively, completeness implies that there are not any “gaps” (in Dedekind's terminology) or “missing points” in the real number line. . . . Depending on the construction of the real numbers used, completeness may take the form of an axiom (the completeness axiom), or may be a theorem proven from the construction. There are many equivalent forms of completeness, the most prominent being Dedekind completeness and Cauchy completeness (completeness as a metric space).' back

Complex plane - Wikipedia, Complex plane - Wikipedia, the free encuclopedia, ' In mathematics, the complex plane is a geometric representation of the complex numbers established by the real axis and the orthogonal imaginary axis. It can be thought of as a modified Cartesian plane, with the real part of a complex number represented by a displacement along the x-axis, and the imaginary part by a displacement along the y-axis.' back

Computer architecture - Wikipedia, Computer architecture - Wikipedia, the free encyclopedia, 'In computer engineering, computer architecture is a set of rules and methods that describe the functionality, organization, and implementation of computer systems.' back

Conservation of energy - Wikipedia, Conservation of energy - Wikipedia, the free encyclopedia, 'In physics, the law of conservation of energy states that the total energy of an isolated system cannot change—it is said to be conserved over time. Energy can be neither created nor destroyed, but can change form, for instance chemical energy can be converted to kinetic energy in the explosion of a stick of dynamite. back

Constructivism (philosophy of mathematics) - Wikipedia, Constructivism (philosophy of mathematics) - Wikipedia, the free encyclopedia, ' In the philosophy of mathematics, constructivism asserts that it is necessary to find (or "construct") a mathematical object to prove that it exists. In standard mathematics, one can prove the existence of a mathematical object without "finding" that object explicitly, by assuming its non-existence and then deriving a contradiction from that assumption. This proof by contradiction is not constructively valid. The constructive viewpoint involves a verificational interpretation of the existential quantifier, which is at odds with its classical interpretation.' back

Controversy over Cantor's theory - Wikipedia, Controversy over Cantor's theory - Wikipedia, the free encyclopedia, 'I n mathematical logic, the theory of infinite sets was first developed by Georg Cantor. Although this work has become a thoroughly standard fixture of classical set theory, it has been criticized in several areas by mathematicians and philosophers. Cantor's theorem implies that there are sets having cardinality greater than the infinite cardinality of the set of natural numbers. Cantor's argument for this theorem is presented with one small change. This argument can be improved by using a definition he gave later. The resulting argument uses only five axioms of set theory.' back

Convex set - Wikipedia, Convex set - Wikipedia, the free encyclopedia, 'In Euclidean space, an object is convex if for every pair of points within the object, every point on the straight line segment that joins them is also within the object. For example, a solid cube is convex, but anything that is hollow or has a dent in it, for example, a crescent shape, is not convex.' back

Cosmological constant problem - Wikipedia, Cosmological constant problem - Wikipedia, the free encyclopedia, 'In cosmology, the cosmological constant problem or vacuum catastrophe is the disagreement between measured values of the vacuum energy density (the small value of the cosmological constant) and the zero-point energy suggested by quantum field theory. Depending on the assumptions[which?], the discrepancy ranges from 40 to more than 100 orders of magnitude, a state of affairs described by Hobson et al. (2006) as "the worst theoretical prediction in the history of physics." ' back

Crusades - Wikipedia, Crusades - Wikipedia, the free encyclopedia, 'The Crusades were a series of intermittent military campaigns in the years from 1096 to 1487, sanctioned by various Popes. In 1095 the Byzantine Emperor, Alexios I, sent an ambassador to Pope Urban II requesting military support in the Byzantines' conflict with the westward migrating Turks in Anatolia. The Pope responded by calling Catholics to join what later became known as the First Crusade. One of Urban's stated aims was to guarantee pilgrims access to the holy sites in the Holy Land that were under Muslim control while his wider strategy was to reunite the Eastern and Western branches of Christendom, divided after their split in 1054, and establish himself as head of the united Church. This initiated a complex 200-year struggle in the region.' back

David Hibert, Über das Unenliche, ' D. Hilbert Mathematische Annalen (1926) Volume: 95, page 161-190 ISSN: 0025-5831; 1432-1807/e ' back

Differentiable manifold - Wikipedia, Differentiable manifold - Wikipedia, the free encyclopedia, 'In mathematics, a differentiable manifold is a type of manifold that is locally similar enough to a linear space to allow one to do calculus. Any manifold can be described by a collection of charts, also known as an atlas. One may then apply ideas from calculus while working within the individual charts, since each chart lies within a linear space to which the usual rules of calculus apply. If the charts are suitably compatible (namely, the transition from one chart to another is differentiable), then computations done in one chart are valid in any other differentiable chart. back

Differential calculus - Wikipedia, Differential calculus - Wikipedia, the free encyclopedia, ' In mathematics, differential calculus is a subfield of calculus concerned with the study of the rates at which quantities change. It is one of the two traditional divisions of calculus, the other being integral calculus, the study of the area beneath a curve.' back

Differential equation - Wikipedia, Differential equation - Wikipedia,the free encyclopedia, 'A differential equation is a mathematical equation for an unknown function of one or several variables that relates the values of the function itself and its derivatives of various orders. Differential equations play a prominent role in engineering, physics, economics, and other disciplines. Differential equations arise in many areas of science and technology, specifically whenever a deterministic relation involving some continuously varying quantities (modeled by functions) and their rates of change in space and/or time (expressed as derivatives) is known or postulated. This is illustrated in classical mechanics, where the motion of a body is described by its position and velocity as the time value varies. Newton's laws allow one (given the position, velocity, acceleration and various forces acting on the body) to express these variables dynamically as a differential equation for the unknown position of the body as a function of time. In some cases, this differential equation (called an equation of motion) may be solved explicitly. back

Eigenvalues and eigenvectors - Wikipedia, Eigenvalues and eigenvectors - Wikipedia, the free encyclopedia, 'An eigenvector of a square matrix A is a non-zero vector vthat, when the matrix multiplies yields a constant multiple of v, the latter multiplier being commonly denoted by λ. That is: Av = λv' back

Electromagnetic four-potential - Wikipedia, Electromagnetic four-potential - Wikipedia, the free encyclopedia, ' An electromagnetic four-potential is a relativistic vector function from which the electromagnetic field can be derived. It combines both an electric scalar potential and a magnetic vector potential into a single four-vector. As measured in a given frame of reference, and for a given gauge, the first component of the electromagnetic four-potential is conventionally taken to be the electric scalar potential, and the other three components make up the magnetic vector potential. While both the scalar and vector potential depend upon the frame, the electromagnetic four-potential is Lorentz covariant. ' back

Empirical evidence - Wikipedia, Empirical evidence - Wikipedia, the free encyclopedia, 'Empirical evidence, also known as sensory experience, is the knowledge received by means of the senses, particularly by observation and experimentation. The term comes from the Greek word for experience, ἐμπειρία (empeiría).' back

Entropy (information theory) - Wikipedia, Entropy (information theory) - Wikipedia, the free encyclopedia, 'In information theory, entropy is a measure of the uncertainty associated with a random variable. In this context, the term usually refers to the Shannon entropy, which quantifies the expected value of the information contained in a message, usually in units such as bits. In this context, a 'message' means a specific realization of the random variable. Equivalently, the Shannon entropy is a measure of the average information content one is missing when one does not know the value of the random variable. The concept was introduced by Claude E. Shannon in his 1948 paper "A Mathematical Theory of Communication".' back

(ε, δ)-definition of limit - Wikipedia, (ε, δ)-definition of limit - Wikipedia, the free encyclopedia, 'In calculus, the (ε, δ)-definition of limit ("epsilon-delta definition of limit") is a formalization of the notion of limit. It was first given by Bernard Bolzano in 1817. Augustin-Louis Cauchy never gave an (ε, δ) definition of limit in his Cours d'Analyse, but occasionally used ε, δ arguments in proofs. The definitive modern statement was ultimately provided by Karl Weierstrass.' back

Equations of motion - Wikipedia, Equations of motion - Wikipedia, the free encyclopedia, ' In physics, equations of motion are equations that describe the behavior of a physical system in terms of its motion as a function of time.[1] More specifically, the equations of motion describe the behaviour of a physical system as a set of mathematical functions in terms of dynamic variables: normally spatial coordinates and time are used, but others are also possible, such as momentum components and time.' back

Eucharist - Wikipedia, Eucharist - Wikipedia, the free encycloedia, ' The Eucharist is a Christian rite that is considered a sacrament in most churches, and as an ordinance in others. According to the New Testament, the rite was instituted by Jesus Christ during the Last Supper; giving his disciples bread and wine during the Passover meal, Jesus commanded his followers to "do this in memory of me" while referring to the bread as "my body" and the cup of wine as "the new covenant in my blood".' back

Euclid, Elements, 'Book I Definition 1: A point is that which has no part.
The Elements is the prime example of an axiomatic system from the ancient world. Its form has shaped centuries of mathematics. An axiomatic system should begin with a list of the terms that it will use. This definition says that one term that will be used is that of point. The next few definitions give some more terms that will be used. Although there is some description to go along with the terms, that description is actually never used in the exposition of the axiomatic system. It can, at most, be used to orient the reader. ' back

Euclid & David E. Joyce, Euclid's Elements: Introduction , 'Euclid’s Elements form one of the most beautiful and influential works of science in the history of humankind. Its beauty lies in its logical development of geometry and other branches of mathematics. It has influenced all branches of science but none so much as mathematics and the exact sciences. The Elements have been studied 24 centuries in many languages starting, of course, in the original Greek, then in Arabic, Latin, and many modern languages.' back

Eugene Wigner, The Unreasonable Effectiveness of Mathematics in the Natural Sciences, 'The first point is that the enormous usefulness of mathematics in the natural sciences is something bordering on the mysterious and that there is no rational explanation for it. Second, it is just this uncanny usefulness of mathematical concepts that raises the question of the uniqueness of our physical theories.' back

European wars of religion - Wikipedia, European war of religion - Wikipedia, the free encyclopedia, 'The European wars of religion were a series of religious wars waged in Europe from ca. 1524 to 1648, following the onset of the Protestant Reformation in Western and Northern Europe. Although sometimes unconnected, all of these wars were strongly influenced by the religious change of the period, and the conflict and rivalry that it produced. This is not to say that the combatants can be neatly categorised by religion or were divided by their religion alone, as this was often not the case.' back

Factorial - Wikipedia, Factorial - Wikipedia, the free encyclopedia, ' In mathematics, the factorial of a positive integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, 5 ! = 5 × 4 × 3 × 2 × 1 = 120 . The value of 0! is 1, according to the convention for an empty product.' back

Fermion - Wikipedia, Fermion - Wikipedia, the free encyclopedia, 'In particle physics, fermions are particles with a half-integer spin, such as protons and electrons. They obey the Fermi-Dirac statistics and are named after Enrico Fermi. In the Standard Model there are two types of elementary fermions: quarks and leptons. . . . In contrast to bosons, only one fermion can occupy a quantum state at a given time (they obey the Pauli Exclusion Principle). Thus, if more than one fermion occupies the same place in space, the properties of each fermion (e.g. its spin) must be different from the rest. Therefore fermions are usually related with matter while bosons are related with radiation, though the separation between the two is not clear in quantum physics. back

Feynman diagram - Wikipedia, Feynman diagram - Wikipedia, the free encyclopedia, 'In quantum field theory a Feynman diagram is an intuitive graphical representation of a contribution to the transition amplitude or correlation function of a quantum mechanical or statistical field theory' back

Feynman, Leighton & Sands FLP III:01, Chapter 1: Quantum Behaviour, 'The gradual accumulation of information about atomic and small-scale behavior during the first quarter of the 20th century, which gave some indications about how small things do behave, produced an increasing confusion which was finally resolved in 1926 and 1927 by Schrödinger, Heisenberg, and Born. They finally obtained a consistent description of the behavior of matter on a small scale. We take up the main features of that description in this chapter.' back

Feynman, Leighton & Sands FLP III:04, Chapter 4: Identical Particles, 'In the last chapter we began to consider the special rules for the interference that occurs in processes with two identical particles. By identical particles we mean things like electrons which can in no way be distinguished one from another. If a process involves two particles that are identical, reversing which one arrives at a counter is an alternative which cannot be distinguished and—like all cases of alternatives which cannot be distinguished—interferes with the original, unexchanged case. The amplitude for an event is then the sum of the two interfering amplitudes; but, interestingly enough, the interference is in some cases with the same phase and, in others, with the opposite phase.' back

Feynman, Leighton & Sands FLP III:08, Chapter 8: The Hamiltonian Matrix, 'One problem then in describing nature is to find a suitable representation for the base states. But that’s only the beginning. We still want to be able to say what “happens.” If we know the “condition” of the world at one moment, we would like to know the condition at a later moment. So we also have to find the laws that determine how things change with time. We now address ourselves to this second part of the framework of quantum mechanics—how states change with time.' back

Feynman, Leighton & Sands III:8, Chapter 8: The Hamiltonian Matrix, 'One problem then in describing nature is to find a suitable representation for the base states. But that’s only the beginning. We still want to be able to say what “happens.” If we know the “condition” of the world at one moment, we would like to know the condition at a later moment. So we also have to find the laws that determine how things change with time. We now address ourselves to this second part of the framework of quantum mechanics—how states change with time. ' back

Feynman, Leighton and Sands FLP II:19, The Principle of Least Action, ' "the laws of Newton could be stated not in the form F=ma but in the form: the average kinetic energy less the average potential energy is as little as possible for the path of an object going from one point to another. . . . " ' back

Fixed point theorem - Wikipedia, Fixed point theorem - Wikipedia, the free encyclopedia, 'In mathematics, a fixed point theorem is a result saying that a function F will have at least one fixed point (a point x for which F(x) = x), under some conditions on F that can be stated in general terms. Results of this kind are amongst the most generally useful in mathematics. The Banach fixed point theorem gives a general criterion guaranteeing that, if it is satisfied, the procedure of iterating a function yields a fixed point. By contrast, the Brouwer fixed point theorem is a non-constructive result: it says that any continuous function from the closed unit ball in n-dimensional Euclidean space to itself must have a fixed point, but it doesn't describe how to find the fixed point (See also Sperner's lemma).' back

Formalism (mathematics) - Wikipedia, Formalism (mathematics) - Wikipedia, the free encyclopedia, 'In foundations of mathematics, philosophy of mathematics, and philosophy of logic, formalism is a theory that holds that statements of mathematics and logic can be thought of as statements about the consequences of certain string manipulation rules. For example, Euclidean geometry can be seen as a game whose play consists in moving around certain strings of symbols called axioms according to a set of rules called "rules of inference" to generate new strings. In playing this game one can "prove" that the Pythagorean theorem is valid because the string representing the Pythagorean theorem can be constructed using only the stated rules.' back

Formalism (philosophy of mathematics) - Wikipedia, Formalism (philosophy of mathematics) - Wikipedia, the free encyclopedia, 'In foundations of mathematics, philosophy of mathematics, and philosophy of logic, formalism is a theory that holds that statements of mathematics and logic can be considered to be statements about the consequences of certain string manipulation rules. . . . Formalism stresses axiomatic proofs using theorems, specifically associated with David Hilbert. A formalist is an individual who belongs to the school of formalism, which is a certain mathematical-philosophical doctrine descending from Hilbert.' back

Francisco Fernflores (Stanford Encyclopedia of Philosophy), The Equivalence of Mass and Energy, 'Einstein correctly described the equivalence of mass and energy as “the most important upshot of the special theory of relativity” , for this result lies at the core of modern physics. According to Einstein's famous equation E = mc2, the energy E of a physical system is numerically equal to the product of its mass m and the speed of light c squared. It is customary to refer to this result as “the equivalence of mass and energy,” or simply “mass-energy equivalence,” because one can choose units in which c = 1, and hence E = m. back

Frequency modulation - Wikipedia, Frequency modulation - Wikipedia, the free encyclopedia, 'In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave. This contrasts with amplitude modulation, in which the amplitude of the carrier wave varies, while the frequency remains constant.' back

Galilean invariance - Wikipedia, Galilean invariance - Wikipedia, the free encyclopedia, ' Galilean invariance or Galilean relativity states that the laws of motion are the same in all inertial frames. Galileo Galilei first described this principle in 1632 in his Dialogue Concerning the Two Chief World Systems using the example of a ship travelling at constant velocity, without rocking, on a smooth sea; any observer below the deck would not be able to tell whether the ship was moving or stationary.' back

Galileo affair - Wikipedia, Galileo affair - Wikipedia, the free encyclopedia, 'The Galileo affair was a sequence of events, beginning around 1610, during which Galileo Galilei came into conflict with both the Catholic Church, for his support of Copernican astronomy, and secular philosophers, for his criticism of Aristotelianism.' back

Galileo Galilei, Recantation of Galileo (June 22, 1633), 'Therefore, desiring to remove from the minds of your Eminences, and of all faithful Christians, this vehement suspicion, justly conceived against me, with sincere heart and unfeigned faith I abjure, curse, and detest the aforesaid errors and heresies, and generally every other error, heresy, and sect whatsoever contrary to the said Holy Church, and I swear that in the future I will never again say or assert, verbally or in writing, anything that might furnish occasion for a similar suspicion regarding me;' back

General relativity - Wikipedia, General relativity - Wikipedia, the free encyclopedia, 'General relativity or the general theory of relativity is the geometric theory of gravitation published by Albert Einstein in 1916. It is the current description of gravitation in modern physics. General relativity generalises special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the four-momentum (mass-energy and linear momentum) of whatever matter and radiation are present. The relation is specified by the Einstein field equations, a system of partial differential equations.' back

Genesis 1:27, God created mankind, 'So God created mankind in his own image, in the image of God he created them; male and female he created them.' back

Geometry - Wikipedia, Geometry - Wikipedia, the free encyclopedia, 'Geometry (Ancient Greek: γεωμετρία; geo- "earth", -metria "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space. Geometry is one of the oldest mathematical sciences. Initially a body of practical knowledge concerning lengths, areas, and volumes, in the 3rd century BC geometry was put into an axiomatic form by Euclid, whose treatment—Euclidean geometry—set a standard for many centuries to follow.' back

Georg Cantor, Contributions to the Founding of the Theory of Transfinite Numbers, 'Preface: This volume contains a translation of the two very important memoirs of Georg Cantor which appeared on the Mathermatische Annalen fr 1895 and 1897 under the totle: Beiträge zur Begrüdeung der transfiniten Mengenlehre. back

Georg Cantor's first set theory article - Wikipedia, Georg Cantor's first set theory article - Wikipedia, the free encyclopedia, 'Georg Cantor's first set theory article was published in 1874 and contains the first theorems of transfinite set theory, which studies infinite sets and their properties. One of these theorems is "Cantor's revolutionary discovery" that the set of all real numbers is uncountably, rather than countably, infinite. This theorem is proved using Cantor's first uncountability proof, which differs from the more familiar proof using his diagonal argument. The title of the article, "On a Property of the Collection of All Real Algebraic Numbers" . . . , refers to its first theorem: the set of real algebraic numbers is countable.' back

Gödel's incompleteness theorems - Wikipedia, Gödel's incompleteness theorems - Wikipedia, 'Gödel's incompleteness theorems are two theorems of mathematical logic that establish inherent limitations of all but the most trivial axiomatic systems capable of doing arithmetic. The theorems, proven by Kurt Gödel in 1931, are important both in mathematical logic and in the philosophy of mathematics. The two results are widely, but not universally, interpreted as showing that Hilbert's program to find a complete and consistent set of axioms for all mathematics is impossible, giving a negative answer to Hilbert's second problem. The first incompleteness theorem states that no consistent system of axioms whose theorems can be listed by an "effective procedure" (i.e., any sort of algorithm) is capable of proving all truths about the relations of the natural numbers (arithmetic). For any such system, there will always be statements about the natural numbers that are true, but that are unprovable within the system. The second incompleteness theorem, an extension of the first, shows that such a system cannot demonstrate its own consistency.' back

Goedel's completeness theorem - Wikipedia, Goedel's completeness theorem - Wikipedia, the free encyclopedia, 'Gödel's completeness theorem is a fundamental theorem in mathematical logic that establishes a correspondence between semantic truth and syntactic provability in first-order logic. It makes a close link between model theory that deals with what is true in different models, and proof theory that studies what can be formally proven in particular formal systems. It was first proved by Kurt Gödel in 1929. It was then simplified in 1947, when Leon Henkin observed in his Ph.D. thesis that the hard part of the proof can be presented as the Model Existence Theorem (published in 1949). Henkin's proof was simplified by Gisbert Hasenjaeger in 1953.' back

Gregory J. Chaitin, Gödel's Theorem and Information, 'Gödel's theorem may be demonstrated using arguments having an information-theoretic flavor. In such an approach it is possible to argue that if a theorem contains more information than a given set of axioms, then it is impossible for the theorem to be derived from the axioms. In contrast with the traditional proof based on the paradox of the liar, this new viewpoint suggests that the incompleteness phenomenon discovered by Gödel is natural and widespread rather than pathological and unusual.'
International Journal of Theoretical Physics 21 (1982), pp. 941-954 back

Hamilton's principle - Wikipedia, Hamilton's principle - Wikipedia, the free encyclopedia, 'In physics, Hamilton's principle is William Rowan Hamilton's formulation of the principle of stationary action . . . It states that the dynamics of a physical system is determined by a variational problem for a functional based on a single function, the Lagrangian, which contains all physical information concerning the system and the forces acting on it.' back

Hebrew Bible - Wikipedia, Hebrew Bible - Wikipedia, The Hebrew Bible . . . is a term referring to the books of the Jewish Bible as originally written mostly in Biblical Hebrew with some Biblical Aramaic. The term closely corresponds to contents of the Jewish Tanakh and the Protestant Old Testament (see also Judeo-Christian) but does not include the deuterocanonical portions of the Roman Catholic or the Anagignoskomena portions of the Eastern Orthodox Old Testaments. The term does not imply naming, numbering or ordering of books, which varies (see also Biblical canon).' back

Heisenberg picture - Wikipedia, Heisenberg picture - Wikipedia, the free encyclopedia, 'In physics, the Heisenberg picture (also called the Heisenberg representation) is a formulation (largely due to Werner Heisenberg in 1925) of quantum mechanics in which the operators (observables and others) incorporate a dependency on time, but the state vectors are time-independent, an arbitrary fixed basis rigidly underlying the theory.' back

Hilbert space - Wikipedia, Hilbert space - Wikipedia, the free encyclopedia, 'The mathematical concept of a Hilbert space, named after David Hilbert, generalizes the notion of Euclidean space. It extends the methods of vector algebra and calculus from the two-dimensional Euclidean plane and three-dimensional space to spaces with any finite or infinite number of dimensions. A Hilbert space is an abstract vector space possessing the structure of an inner product that allows length and angle to be measured. Furthermore, Hilbert spaces are complete: there are enough limits in the space to allow the techniques of calculus to be used.' back

History of calculus - Wikipedia, History of calculus - Wikipedia, the free encyclopedia, ' Calculus, known in its early history as infinitesimal calculus, is a mathematical discipline focused on limits, functions, derivatives, integrals, and infinite series. Isaac Newton and Gottfried Wilhelm Leibniz independently discovered calculus in the mid-17th century. However, both inventors claimed that the other had stolen his work, and the Leibniz-Newton calculus controversy continued until the end of their lives. ' back

History of climate change science - Wikipedia, History of climate change science - Wikipedia, the free encyclopedia, 'The history of the scientific discovery of climate change began in the early 19th century when ice ages and other natural changes in paleoclimate were first suspected and the natural greenhouse effect first identified. In the late 19th century, scientists first argued that human emissions of greenhouse gases could change the climate.' back

Holy See, Code of Canon Law: Canon 252 § 3, 'There are to be classes in dogmatic theology, always grounded in the written word of God together with sacred tradition; through these, students are to learn to penetrate more intimately the mysteries of salvation, especially with St. Thomas as a teacher. There are also to be classes in moral and pastoral theology, canon law, liturgy, ecclesiastical history, and other auxiliary and special disciplines, according to the norm of the prescripts of the program of priestly formation.' back

Homer - Wikipedia, Homer - Wikipedia, the free encyclopedia, 'In the Western classical tradition, Homer (. . . Ancient Greek: Ὅμηρος Hómēros) is the author of the Iliad and the Odyssey, and is revered as the greatest of ancient Greek epic poets. These epics lie at the beginning of the Western canon of literature, and have had an enormous influence on the history of literature. When he lived is unknown. Herodotus estimates that Homer lived 400 years before his own time, which would place him at around 850 BC, while other ancient sources claim that he lived much nearer to the supposed time of the Trojan War, in the early 12th century BC. Modern researchers appear to place Homer in the 7th or 8th centuries BC.' back

Hylomorphism - Wikipedia, Hylomorphism - Wikipedia, the free encyclopedia, 'Hylomorphism (Greek ὑλο- hylo-, "wood, matter" + -morphism < Greek μορφή, morphē, "form") is a philosophical theory developed by Aristotle, which analyzes substance into matter and form. Substances are conceived of as compounds of form and matter.' back

Infinitesimal - Wikipedia, Infinitesimal - Wikipedia, the free encyclopedia, ' In mathematics, infinitesimals are things so small that there is no way to measure them. The insight with exploiting infinitesimals was that entities could still retain certain specific properties, such as angle or slope, even though these entities were quantitatively small.' back

Initial singularity - Wikipedia, Initial singularity - Wikipedia, the free encyclopedia, 'The initial singularity was the gravitational singularity of infinite density thought to have contained all of the mass and spacetime of the Universe before quantum fluctuations caused it to rapidly expand in the Big Bang and subsequent inflation, creating the present-day Universe.' back

Inquisition - Wikipedia, Inquisition - Wikipedia, the free encyclopedia, 'The Inquisition was a group of institutions within the government system of the Catholic Church whose aim was to combat heresy. It started in 12th-century France to combat religious sectarianism, in particular the Cathars and the Waldensians.' back

Intuitionism - Wikipedia, Intuitionism - Wikipedia, the free encyclopedia, ' In the philosophy of mathematics, intuitionism, or neointuitionism (opposed to preintuitionism), is an approach where mathematics is considered to be purely the result of the constructive mental activity of humans rather than the discovery of fundamental principles claimed to exist in an objective reality. That is, logic and mathematics are not considered analytic activities wherein deep properties of objective reality are revealed and applied but are instead considered the application of internally consistent methods used to realize more complex mental constructs, regardless of their possible independent existence in an objective reality.' back

Isaac Newton, The General Scholium to the Principia Mathematica, 'Published for the first time as an appendix to the 2nd (1713) edition of the Principia, the General Scholium reappeared in the 3rd (1726) edition with some amendments and additions. As well as countering the natural philosophy of Leibniz and the Cartesians, the General Scholium contains an excursion into natural theology and theology proper. In this short text, Newton articulates the design argument (which he fervently believed was furthered by the contents of his Principia), but also includes an oblique argument for a unitarian conception of God and an implicit attack on the doctrine of the Trinity, which Newton saw as a post-biblical corruption. The English translation here is that of Andrew Motte (1729). Italics and orthography as in original.' back

John D. Norton, Chasing a Beam of Light: Einstein's Most Famous Thought Experiment, '". . .a paradox upon which I had already hit at the age of sixteen: If I pursue a beam of light with the velocity c (velocity of light in a vacuum), I should observe such a beam of light as an electromagnetic field at rest though spatially oscillating. There seems to be no such thing, however, neither on the basis of experience nor according to Maxwell's equations. From the very beginning it appeared to me intuitively clear that, judged from the standpoint of such an observer, everything would have to happen according to the same laws as for an observer who, relative to the earth, was at rest. For how should the first observer know or be able to determine, that he is in a state of fast uniform motion? One sees in this paradox the germ of the special relativity theory is already contained." ' back

John Palmer - Parmenides, Parmenides (Stanford Encyclopedia of Philosophy), First published Fri Feb 8, 2008 'Immediately after welcoming Parmenides to her abode, the goddess describes as follows the content of the revelation he is about to receive:
You must needs learn all things,/ both the unshaken heart of well-rounded reality/ and the notions of mortals, in which there is no genuine trustworthiness./ Nonetheless these things too will you learn, how what they resolved/ had actually to be, all through all pervading. (Fr. 1.28b-32) ' back

John Paul II, Fides et Ratio: On the relationship between faith and reason , para 2: 'The Church is no stranger to this journey of discovery, nor could she ever be. From the moment when, through the Paschal Mystery, she received the gift of the ultimate truth about human life, the Church has made her pilgrim way along the paths of the world to proclaim that Jesus Christ is “the way, and the truth, and the life” (Jn 14:6).' back

John the Evangelist, The Gospel of John (KJV), ' In the beginning was the Word, and the Word was with God, and the Word was God. The same was in the beginning with God. All things were made by him; and without him was not any thing made that was made. In him was life; and the life was the light of men. And the light shineth in darkness; and the darkness comprehended it not.' back

Jose Ferrerros, "What Fermented in Me for Years": Cantor's Discovery of the Transfinite Numbers, 'TTransfinite (ordinal) numbers were a crucial step in the development Transfinite (ordinal) numbers were a crucial step in the development of Cantor's set theory. The new concept depended in various ways on previous problems and results, and especially on two questions that were at the center of Cantor's attention in September 1882, when he was about to make his discovery. First, the proof of the Cantor-Bendixson theorem motivated the introduction of transfinite numbers, and at the same time suggested the "principle of limitation," which is the key to the connection between transfinite numbers and infinite powers. Second, Dedekind's ideas, which Cantor discussed in September 1882, seem to have played an important heuristic role in his decision to consider the "symbols of infinity" that he had been using as true numbers, i.e., as autonomous objects; to this end Cantor introduced in his work, for the first time, ideas on (well) ordered sets.' back

Joseph W. Dauben, Georg Cantor and Pope Leo XIII: Mathematics, Theology and the Infinite, 'George Cantor (1845-1918) is chiefly remembered for his creation of transfinite set theory, which revolutionized mathematics by making possible a new, powerful approach to understanding the nature of the infinite. But Cantor's concerns extended well beyond the purely technical content of his research, for he responded seriously to criticism from philosophers and theologians as he sought to advance and refine his transfinite set theory. He was also keenly aware of the ways in which his work might in turn air and improve both philosophy and theology.' back

Joseph-Louis Lagrange - Wikipedia, Joseph-Louis Lagrange - Wikipedia, the free encyclopedia, 'Joseph-Louis Lagrange, comte de l'Empire (January 25, 1736 — April 10, 1813; b. Turin, baptised in the name of Giuseppe Lodovico Lagrangia) was an Italian mathematician and astronomer who made important contributions to all fields of analysis and number theory and to classical and celestial mechanics as arguably the greatest mathematician of the 18th century.' back

Juan Yin et al, Bounding the speed of 'spooky action at a distance', 'In the well-known EPR paper, Einstein et al. called the nonlocal correlation in quantum entanglement as `spooky action at a distance'. If the spooky action does exist, what is its speed? All previous experiments along this direction have locality loopholes and thus can be explained without having to invoke any `spooky action' at all. Here, we strictly closed the locality loopholes by observing a 12-hour continuous violation of Bell inequality and concluded that the lower bound speed of `spooky action' was four orders of magnitude of the speed of light if the Earth's speed in any inertial reference frame was less than 10^(-3) times of the speed of light.' back

Kepler's laws of planetary motion - Wikipedia, Kepler's laws of planetary motion - Wikipedia, the free encyclopedia, 'In astronomy, Kepler's laws of planetary motion are three scientific laws describing the motion of planets around the Sun.
1. The orbit of a planet is an ellipse with the Sun at one of the two foci.
2. A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time.
3. The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit.' ' back

Kinetic energy - Wikipedia, Kinetic energy - Wikipedia, the free encyclopedia, 'The kinetic energy of an object is the energy which it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body in decelerating from its current speed to a state of rest.' back

Lagrangian - Wikipedia, Lagrangian - Wikipedia, the free encyclopedia, 'The Lagrangian, L, of a dynamical system is a function that summarizes the dynamics of the system. It is named after Joseph Louis Lagrange. The concept of a Lagrangian was originally introduced in a reformulation of classical mechanics by Irish mathematician William Rowan Hamilton known as Lagrangian mechanics. In classical mechanics, the Lagrangian is defined as the kinetic energy, T, of the system minus its potential energy, V. In symbols, L = T - V. ' back

Leopold Kronecker - Wikipedia, Leopold Kronecker - Wikipedia, the free encyclopedia, 'Leopold Kronecker (December 7, 1823 – December 29, 1891) was a German mathematician who worked on number theory and algebra. He criticized Cantor's work on set theory, and was quoted by Weber (1893) as having said, "God made natural numbers; all else is the work of man".' back

Liberation theology - Wikipedia, Liberation theology - Wikipedia, the free encyclopedia, ' Liberation theology is a synthesis of Christian theology and Marxist socio-economic analyses that emphasizes social concern for the poor and the political liberation for oppressed peoples. In the 1950s and the 1960s, liberation theology was the political praxis of Latin American theologians, such as Gustavo Gutiérrez of Peru, Leonardo Boff of Brazil, Juan Luis Segundo of Uruguay, and Jon Sobrino of Spain, who popularized the phrase "Preferential option for the poor".' back

Logic - Wikipedia, Logic - Wikipedia, the free encyclopdia, 'Logic (from the Ancient Greek: λογική, logike) is the use and study of valid reasoning. The study of logic features most prominently in the subjects of philosophy, mathematics, and computer science. Logic was studied in several ancient civilizations, including India,China,Persia and Greece. In the West, logic was established as a formal discipline by Aristotle, who gave it a fundamental place in philosophy. back

Lorentz group - Wikipedia, Lorentz group - Wikipedia, the free encyclopedia, 'In physics (and mathematics), the Lorentz group is the group of all Lorentz transformations of Minkowski spacetime, the classical setting for all (nongravitational) physical phenomena. The Lorentz group is named for the Dutch physicist Hendrik Lorentz. The mathematical form of the kinematical laws of special relativity, Maxwell's field equations in the theory of electromagnetism, the Dirac equation in the theory of the electron, are each invariant under the Lorentz transformations. Therefore the Lorentz group is said to express the fundamental symmetry of many of the known fundamental Laws of Nature.' back

Lorentz transformation - Wikipedia, Lorentz transformation - Wikipedia, the free encyclopedia, 'In physics, the Lorentz transformation or Lorentz-Fitzgerald transformation describes how, according to the theory of special relativity, two observers' varying measurements of space and time can be converted into each other's frames of reference. It is named after the Dutch physicist Hendrik Lorentz. It reflects the surprising fact that observers moving at different velocities may measure different distances, elapsed times, and even different orderings of events.' back

Lumen Gentium (Vatican II), Dogmatic Constitution on the Church, 'THE MYSTERY OF THE CHURCH 1. Christ is the Light of nations. Because this is so, this Sacred Synod gathered together in the Holy Spirit eagerly desires, by proclaiming the Gospel to every creature, to bring the light of Christ to all men, a light brightly visible on the countenance of the Church. Since the Church is in Christ like a sacrament or as a sign and instrument both of a very closely knit union with God and of the unity of the whole human race, it desires now to unfold more fully to the faithful of the Church and to the whole world its own inner nature and universal mission.' back

Mach's principle - Wikipedia, Mach's principle - Wikipedia, the free encyclopedia, 'In theoretical physics, particularly in discussions of gravitation theories, Mach's principle (or Mach's conjecture) is the name given by Einstein to an imprecise hypothesis often credited to the physicist and philosopher Ernst Mach. The idea is that the local motion of a rotating reference frame is determined by the large scale distribution of matter, as exemplified by this anecdote: You are standing in a field looking at the stars. Your arms are resting freely at your side, and you see that the distant stars are not moving. Now start spinning. The stars are whirling around you and your arms are pulled away from your body. Why should your arms be pulled away when the stars are whirling? Why should they be dangling freely when the stars don't move?' back

Magisterium - Wikipedia, Magisterium - Wikipedia, the free encyclopedia, 'The magisterium of the Catholic Church is the church's authority or office to establish its own authentic teachings. That authority is vested uniquely by the pope and by the bishops, under the premise that they are in communion with the correct and true teachings of the faith. Sacred scripture and sacred tradition "make up a single sacred deposit of the Word of God, which is entrusted to the Church", and the magisterium is not independent of this, since "all that it proposes for belief as being divinely revealed is derived from this single deposit of faith."' back

Marcelo Samuel Berman, On the Zero-Energy Universe, 'We consider the energy of the Universe, from the pseudo-tensor point of view (Berman,1981). We find zero values, when the calculations are well-done.The doubts concerning this subject are clarified, with the novel idea that the justification for the calculation lies in the association of the equivalence principle, with the nature of co-motional observers, as demanded in Cosmology. In Section 4, we give a novel calculation for the zero-total energy result.' back

Mark 16, The Great Commission, '15 And he said unto them, Go ye into all the world, and preach the gospel to every creature.' back

Mathematical formulation of quantum mechanics - Wikipedia, Mathematical formulation of quantum mechanics - Wikipedia - the free encyclopedia, 'The mathematical formulation of quantum mechanics is the body of mathematical formalisms which permits a rigorous description of quantum mechanics. It is distinguished from mathematical formalisms for theories developed prior to the early 1900s by the use of abstract mathematical structures, such as infinite-dimensional Hilbert spaces and operators on these spaces. Many of these structures were drawn from functional analysis, a research area within pure mathematics that developed in parallel with, and was influenced by, the needs of quantum mechanics. In brief, values of physical observables such as energy and momentum were no longer considered as values of functions on phase space, but as eigenvalues of linear operators.' back

Mathematical proof - Wikipedia, Mathematical proof - Wikipedia, the free encyclopedia, 'In mathematics, a proof is an inferential argument for a mathematical statement. In the argument, other previously established statements, such as theorems, can be used. In principle, a proof can be traced back to self-evident or assumed statements, known as axioms, along with accepted rules of inference.' back

Maupertuis' principle - Wikipedia, Maupertuis' principle - Wikipedia, the free encyclopedia, 'In classical mechanics, Maupertuis' principle (named after Pierre Louis Maupertuis) is an integral equation that determines the path followed by a physical system without specifying the time parameterization of that path. It is a special case of the more generally stated principle of least action. More precisely, it is a formulation of the equations of motion for a physical system not as differential equations, but as an integral equation, using the calculus of variations.' back

Maxwell's equations - Wikipedia, Maxwell's equations - Wikipedia, the free encyclopedia, ' Maxwell's equations are a set of partial differential equations that, together with the Lorentz force law, form the foundation of classical electromagnetism, classical optics, and electric circuits. The equations provide a mathematical model for electric, optical and radio technologies, such as power generation, electric motors, wireless communication, lenses, radar etc. Maxwell's equations describe how electric and magnetic fields are generated by charges, currents, and changes of the fields. One important consequence of the equations is that they demonstrate how fluctuating electric and magnetic fields propagate at the speed of light.' back

Measurement in quantum mechanics - Wikipedia, Measurement in quantum mechanics - Wikipedia, the free encyclopedia, 'The framework of quantum mechanics requires a careful definition of measurement. The issue of measurement lies at the heart of the problem of the interpretation of quantum mechanics, for which there is currently no consensus.' back

Metamathematics - Wikipedia, Metamathematics - Wikipedia, the free encyclopedia, 'Metamathematics is the study of mathematics itself using mathematical methods. This study produces metatheories, which are mathematical theories about other mathematical theories. Emphasis on metamathematics (and perhaps the creation of the term itself) is due to David Hilbert's attempt to prove the consistency of mathematical theories by proving a proposition about a theory itself, i.e. specifically about all possible proofs of theorems in the theory; in particular, both a proposition A and its negation not A should not be theorems . . . . However, metamathematics provides "a rigorous mathematical technique for investigating a great variety of foundation problems for mathematics and logic, among which the consistency problem is only one" . . . .' back

Michael Polanyi, Life's Irreducible Structure, 'Living beings comprise a whole sequence of levels forming such a hierarchy. Processes at the lowest level are caused by the forces of inanimate nature, and the higher levels control, throughout, the boundary conditions left open by the laws of inanimate nature. The lowest functions of life are those called vegetative. These vegetative functions, sustaining life at its lowest level, leave open-both in plants and in animals-the higher functions of growth and in animals also leave open the operations of muscular actions. Next, in turn, the principles governing muscular actions in animals leave open the integration of such actions to innate patterns of behavior; and, again, such patterns are open in their turn to be shaped by intelligence, while intelligence itself can be made to serve in man the still higher principles of a responsible choice. back

Minkowski space - Wikipedia, Minkowski space - Wikipedia, the free encyclopedia, 'In mathematical physics, Minkowski space or Minkowski spacetime is a combination of Euclidean space and time into a four-dimensional manifold where the spacetime interval between any two events is independent of the inertial frame of reference in which they are recorded. Although initially developed by mathematician Hermann Minkowski for Maxwell's equations of electromagnetism, the mathematical structure of Minkowski spacetime was shown to be an immediate consequence of the postulates of special relativity.' back

Mutual assured destruction - Wikipedia, Mutual assured destruction - Wikipedia, the free encyclopedia, 'Mutual assured destruction or mutually assured destruction (MAD) is a doctrine of military strategy and national security policy in which a full-scale use of nuclear weapons by two or more opposing sides would cause the complete annihilation of both the attacker and the defender (see pre-emptive nuclear strike and second strike). It is based on the theory of deterrence, which holds that the threat of using strong weapons against the enemy prevents the enemy's use of those same weapons. The strategy is a form of Nash equilibrium in which, once armed, neither side has any incentive to initiate a conflict or to disarm.' back

New Testament - Wikipedia, New Testament - Wikipedia, the free encyclopedia, 'The New Testament (Koine Greek: Ἡ Καινὴ Διαθήκη, Hē Kainḕ Diathḗkē) is the second major division of the Christian biblical canon, the first such division being the much longer Old Testament.

Unlike the Old Testament or Hebrew Bible, of which Christians hold different views, the contents of the New Testament deal explicitly with 1st century Christianity, although both the Old and New Testament are regarded, together, as Sacred Scripture. The New Testament has therefore (in whole or in part) frequently accompanied the spread of Christianity around the world, and both reflects and serves as a source for Christian theology.' back

Newton's law of universal gravitation - Wikipedia, Newton's law of universal gravitation - Wikipedia, the free encyclopedia, 'Newton's law of universal gravitation is a general physical law derived from empirical observations by what Isaac Newton called induction.[1] It describes the gravitational attraction between bodies with mass. It is a part of classical mechanics and was first formulated in Newton's work Philosophiae Naturalis Principia Mathematica ("the Principia"), first published on 5 July 1687. In modern language it states the following: Every point mass attracts every other point mass by a force pointing along the line intersecting both points. The force is directly proportional to the product of the two masses and inversely proportional to the square of the distance between the point masses.' back

Newtons Laws of Motion - Wikipedia, Newton's Laws of Motion - Wikipedia, the free encyclopedia, 'Newton's laws of motion are three physical laws that together laid the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to said forces. . . . The three laws of motion were first compiled by Isaac Newton in his Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy), first published in 1687' back

Nicene Creed - Wikipedia, Nicene Creed - Wikipedia, the free encyclopedia, 'The Nicene Creed (Greek: Σύμβολον τῆς Νίκαιας, Latin: Symbolum Nicaenum) is the profession of faith or creed that is most widely used in Christian liturgy. It forms the mainstream definition of Christianity for most Christians. It is called Nicene because, in its original form, it was adopted in the city of Nicaea (present day Iznik in Turkey) by the first ecumenical council, which met there in the year 325. The Nicene Creed has been normative for the Catholic Church, the Eastern Orthodox Church, the Church of the East, the Oriental Orthodox churches, the Anglican Communion, and the great majority of Protestant denominations.' back

Nicole-Ann Lobo, An Introduction to 'Commonweal' and Liberation Theology, ' On August 24, 1968, Pope Paul VI opened the second conference of the Latin American Episcopal Council (CELAM) in Medellín. The first time Latin America had ever been visited by a reigning pope, CELAM II is famous for its indictment of structural injustice throughout Latin America and for igniting a debate about how the church should address growing inequality and corruption in the region. The phrase found in the conference’s final document—“ver, juzgar, y actuar” or “see, judge, and act”—urged members of the clergy to address this inequality through both their actions and words.' back

No cloning theorem - Wikipedia, No cloning theorem - Wikipedia, the free encyclopedia, 'The no cloning theorem is a result of quantum mechanics which forbids the creation of identical copies of an arbitrary unknown quantum state. It was stated by Wootters, Zurek, and Dieks in 1982, and has profound implications in quantum computing and related fields.' back

Nuclear Winter - Wikipedia, Nuclear Winter - Wikipedia, the free encyclopedia, 'Nuclear winter is the severe and prolonged global climatic cooling effect hypothesized to occur after widespread firestorms following a nuclear war. The hypothesis is based on the fact that such fires can inject soot into the stratosphere, where it can block some direct sunlight from reaching the surface of the Earth. Historically, firestorms have occurred in a number of forests and cities. In developing computer models of nuclear-winter scenarios, researchers use both Hamburg and the Hiroshima firestorms as example cases where soot might have been injected into the stratosphere, as well as modern observations of natural, large-area wildfires.' back

OSI model - Wikipedia, OSI model - Wikipedia, the free encyclopedia, 'The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology. Its goal is the interoperability of diverse communication systems with standard protocols. The model partitions a communication system into abstraction layers. The original version of the model defined seven layers.' back

Otto Cycle - Wikipedia, Otto Cycle - Wikipedia, the free encyclopedia, ' An Otto cycle is an idealized thermodynamic cycle that describes the functioning of a typical spark ignition piston engine. It is the thermodynamic cycle most commonly found in automobile engines. ' back

P versus NP problem - Wikipedia, P versus NP problem - Wikipedia, the free encyclopedia, 'The P versus NP problem is a major unsolved problem in computer science. It asks whether every problem whose solution can be quickly verified (technically, verified in polynomial time) can also be solved quickly (again, in polynomial time). The underlying issues were first discussed in the 1950s, in letters from John Forbes Nash Jr. to the National Security Agency, and from Kurt Gödel to John von Neumann. The precise statement of the P versus NP problem was introduced in 1971 by Stephen Cook in his seminal paper "The complexity of theorem proving procedures" and is considered by many to be the most important open problem in the field.' back

Parmenides, Fragements 1-19, Burnet's English translation, '8 One path only is left for us to speak of, namely, that It is. In it are very many tokens that what is is uncreated and indestructible; for it is complete, immovable, and without end.' back

Particle Decay - Wikipedia, Particle Decay - Wikipedia, the free encyclopedia, 'Particle decay is the spontaneous process of one unstable subatomic particle transforming into multiple other particles. The particles created in this process (the final state) must each be less massive than the original, although the total invariant mass of the system must be conserved. A particle is unstable if there is at least one allowed final state that it can decay into. Unstable particles will often have multiple ways of decaying, each with its own associated probability. Decays are mediated by one or several fundamental forces. The particles in the final state may themselves be unstable and subject to further decay.' back

Particle physics in cosmology - Wikipedia, Particle physics in cosmology - Wikipedia, the free encyclopdia, ' Particle physics, which deals with the interactions of elementary particles at high energies, is an important component of cosmological models of the early universe, when the universe was dominated by radiation and its average energy density was very high. Because of this, pair production, scattering processes and decay of unstable particles are important in cosmology, and the interface between particle physics and cosmology is sometimes referred to as particle cosmology.' back

Path integral formulation - Wikipedia, Path integral formulation - Wikipedia, the free encyclopedia, 'The path integral formulation of quantum mechanics is a description of quantum theory which generalizes the action principle of classical mechanics. It replaces the classical notion of a single, unique trajectory for a system with a sum, or functional integral, over an infinity of possible trajectories to compute a quantum amplitude. . . . This formulation has proved crucial to the subsequent development of theoretical physics, since it provided the basis for the grand synthesis of the 1970s which unified quantum field theory with statistical mechanics. . . . ' back

Paul, 1 Corinthinans, 1 Corinthians 12:12-14, '12 For as the body is one, and hath many members, and all the members of that one body, being many, are one body: so also is Christ. 13 For by one Spirit are we all baptized into one body, whether we be Jews or Gentiles, whether we be bond or free; and have been all made to drink into one Spirit. 14 For the body is not one member, but many.' back

Peano axioms - Wikipedia, Peano axioms - Wikipedia - the free encyclopedia, 'In mathematical logic, the Peano axioms, also known as the Dedekind–Peano axioms or the Peano postulates, are a set of axioms for the natural numbers presented by the 19th century Italian mathematician Giuseppe Peano. These axioms have been used nearly unchanged in a number of metamathematical investigations, including research into fundamental questions of whether number theory is consistent and complete.' back

Peter Macgregor, A glimpse of Cantor's paradise, 'This article is a runner up in the general public category of the Plus new writers award 2008 "No one shall drive us from the paradise which Cantor has created for us." Modern ideas about infinity provide a wonderful playground for mathematicians and philosophers. I want to lead you through this garden of intellectual delights and tell you about the man who created it — Georg Cantor. back

Philip Goff et al., (Stanford Encyclopedia of Philosophy), Panpsychism , ' Panpsychism is the view that mentality is fundamental and ubiquitous in the natural world. The view has a long and venerable history in philosophical traditions of both East and West, and has recently enjoyed a revival in analytic philosophy. For its proponents panpsychism offers an attractive middle way between physicalism on the one hand and dualism on the other.' back

Philippians 4:7, The peace of God which passeth all understanding, ' 4 Rejoice in the Lord alway: and again I say, Rejoice. 5 Let your moderation be known unto all men. The Lord is at hand. 6 Be careful for nothing; but in every thing by prayer and supplication with thanksgiving let your requests be made known unto God. 7 And the peace of God, which passeth all understanding, shall keep your hearts and minds through Christ Jesus.' back

Philosophy of Mathematics - Wikipedia, Philosophy of Mathematics - Wikipedia, the free encyclopedia, ' The philosophy of mathematics is the branch of philosophy that studies the assumptions, foundations, and implications of mathematics, and purports to provide a viewpoint of the nature and methodology of mathematics, and to understand the place of mathematics in people's lives. The logical and structural nature of mathematics itself makes this study both broad and unique among its philosophical counterparts.' back

Planck constant - Wikipedia, Planck constant - Wikipedia, the free encyclopedia, ' Since energy and mass are equivalent, the Planck constant also relates mass to frequency. By 2017, the Planck constant had been measured with sufficient accuracy in terms of the SI base units, that it was central to replacing the metal cylinder, called the International Prototype of the Kilogram (IPK), that had defined the kilogram since 1889. . . . For this new definition of the kilogram, the Planck constant, as defined by the ISO standard, was set to 6.626 070 150 × 10-34 J⋅s exactly. ' back

Planck-Einstein relation - Wikipedia, Planck-Einstein relation - Wikipedia, the free encyclopedia, 'The Planck–Einstein relation. . . refers to a formula integral to quantum mechanics, which states that the energy of a photon (E) is proportional to its frequency (ν). E = hν. The constant of proportionality, h, is known as the Planck constant.' back

Plato, Parmenides, 'Parmenides By Plato Written 370 B.C.E Translated by Benjamin Jowett Persons of the Dialogue CEPHALUS ADEIMANTUS GLAUCON ANTIPHON PYTHODORUS SOCRATES ZENO PARMENIDES ARISTOTELES Scene Cephalus rehearses a dialogue which is supposed to have been narrated in his presence by Antiphon, the half-brother of Adeimantus and Glaucon, to certain Clazomenians. back

Platonic Academy - Wikipedia, Platonic Academy - Wikipedia, the free encyclopedia, 'The Academy (Ἀκαδήμεια) was founded by Plato in ca. 387 BC in Athens. Aristotle studied there for nineteen years before founding his own school at the Lyceum. The Academy persisted throughout the Hellenistic period as a skeptical school, until coming to an end after the death of Philo of Larissa in 83 BC. Although philosophers continued to teach Plato's philosophy in Athens during the Roman era, it was not until AD 410 that a revived Academy was re-established as a center for Neoplatonism, persisting until 529 AD when it was finally closed down by Justinian I.' back

Platonism - Wikipedia, Platonism - Wikipedia, the free encyclopedia, 'Platonism is the philosophy of Plato or the name of other philosophical systems considered closely derived from it. In a narrower sense the term might indicate the doctrine of Platonic realism. The central concept of Platonism is the distinction between that reality which is perceptible, but not intelligible, and that which is intelligible, but imperceptible; to this distinction the Theory of Forms is essential. The forms are typically described in dialogues such as the Phaedo, Symposium and Republic as transcendent, perfect archetypes, of which objects in the everyday world are imperfect copies.' back

Point (geometry) - Wikipedia, Point (geometry) - Wikipedia, the free encyclopedia, 'In modern mathematics, a point refers usually to an element of some set called a space. More specifically, in Euclidean geometry, a point is a primitive notion upon which the geometry is built, meaning that a point cannot be defined in terms of previously defined objects. That is, a point is defined only by some properties, called axioms, that it must satisfy. In particular, the geometric points do not have any length, area, volume or any other dimensional attribute. A common interpretation is that the concept of a point is meant to capture the notion of a unique location in Euclidean space. back

Pope John Paul II, The Catechism of the Catholic Church, The text of the Apostolic Constitution Fidei Depositum Prologue: '... 11 This catechism aims at presenting an organic synthesis of the essential and fundamental contents of Catholic doctrine, as regards both faith and morals, in the light of the Second Vatican Council and the whole of the Church's Tradition. Its principal sources are the SacredScriptures, the Fathers of the Church, the liturgy, and the Church's Magisterium. It is intended to serve "as a point of reference for thecatechisms or compendia that are composed in the various countries. ...' back

Potential energy - Wikipedia, Potential energy - Wikipedia, the free encyclopedia, 'In physics, potential energy is the energy of an object or a system due to the position of the body or the arrangement of the particles of the system. The SI unit for measuring work and energy is the joule (symbol J). The term potential energy was coined by the 19th century Scottish engineer and physicist William Rankine although it has links to Greek philosopher Aristotle's concept of potentiality. Potential energy is associated with a set of forces that act on a body in a way that depends only on the body's position in space.' back

Pseudo-Dionysius the Areopagite - Wikipedia, Pseudo-Dionysius the Areopagite - Wikipedia, the free encyclopedia, 'Pseudo-Dionysius the Areopagite (Greek: Διονύσιος ὁ Ἀρεοπαγίτης), also known as Pseudo-Denys, was a Christian theologian and philosopher of the late 5th to early 6th century (writing before 532), probably Syrian, the author of the set of works commonly referred to as the Corpus Areopagiticum or Corpus Dionysiacum. The author pseudonymously identifies himself in the corpus as "Dionysios", portraying himself as the figure of Dionysius the Areopagite, the Athenian convert of St. Paul mentioned in Acts 17:34 This false attribution resulted in the work being given great authority in subsequent theological writing in both East and West, with its influence only decreasing in the West with the fifteenth century demonstration of its later dating.' back

Pythagorean theorem - Wikipedia, Pythagorean theorem - Wikipedia, the free encyclopedia, 'In any right triangle, the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares whose sides are the two legs (the two sides that meet at a right angle). This is usually summarized as: The square on the hypotenuse is equal to the sum of the squares on the other two sides.' back

Quantum entanglement - Wikipedia, Quantum entanglement - Wikipedia, the free encyclopedia, 'Quantum entanglement is a physical phenomenon which occurs when pairs or groups of particles are generated, interact, or share spatial proximity in ways such that the quantum state of each particle cannot be described independently of the state of the other(s), even when the particles are separated by a large distance—instead, a quantum state must be described for the system as a whole. . . . Entanglement is considered fundamental to quantum mechanics, even though it wasn't recognized in the beginning. Quantum entanglement has been demonstrated experimentally with photons, neutrinos, electrons, molecules as large as buckyballs, and even small diamonds. The utilization of entanglement in communication and computation is a very active area of research.' back

Quantum field theory - Wikipedia, Quantum field theory - Wikipedia, the free encyclopedia, 'Quantum field theory (QFT) provides a theoretical framework for constructing quantum mechanical models of systems classically described by fields or (especially in a condensed matter context) of many-body systems. . . . In QFT photons are not thought of as 'little billiard balls', they are considered to be field quanta - necessarily chunked ripples in a field that 'look like' particles. Fermions, like the electron, can also be described as ripples in a field, where each kind of fermion has its own field. In summary, the classical visualisation of "everything is particles and fields", in quantum field theory, resolves into "everything is particles", which then resolves into "everything is fields". In the end, particles are regarded as excited states of a field (field quanta). back

Real number - Wikipedia, Real number - Wikipedia, the free encyclopedia, 'In mathematics, a real number is a value that represents a quantity along a continuous line. . . . The discovery of a suitably rigorous definition of the real numbers – indeed, the realization that a better definition was needed – was one of the most important developments of 19th century mathematics. The currently standard axiomatic definition is that real numbers form the unique Archimedean complete totally ordered field (R ; + ; · ; <), up to an isomorphism,' back

Rene Descartes - Wikipedia, Rene Descartes - Wikipedia, the free encyclopedia, 'René Descartes (. . . 31 March 1596 – 11 February 1650) was a French philosopher, mathematician and writer who spent most of his life in the Dutch Republic. He has been dubbed the father of modern philosophy, and much subsequent Western philosophy is a response to his writings,' back

Richard Kraut - Plato, Plato (Stanford Encyclopedia of Philosophy), First published Sat Mar 20, 2004; substantive revision Thu Sep 17, 2009 'Plato (429–347 B.C.E.) is, by any reckoning, one of the most dazzling writers in the Western literary tradition and one of the most penetrating, wide-ranging, and influential authors in the history of philosophy. . . . Few other authors in the history of philosophy approximate him in depth and range: perhaps only Aristotle (who studied with him), Aquinas, and Kant would be generally agreed to be of the same rank.' back

Richard Zach (Stanford Encyclopedia of Philosophy), Hilbert's Program, 'In the early 1920s, the German mathematician David Hilbert (1862–1943) put forward a new proposal for the foundation of classical mathematics which has come to be known as Hilbert's Program. It calls for a formalization of all of mathematics in axiomatic form, together with a proof that this axiomatization of mathematics is consistent. The consistency proof itself was to be carried out using only what Hilbert called “finitary” methods. The special epistemological character of finitary reasoning then yields the required justification of classical mathematics.' back

Riemannian geometry - Wikipedia, Riemannian geometry - Wikipedia, the free encyclopedia, 'Riemannian geometry is the branch of differential geometry that studies Riemannian manifolds, smooth manifolds with a Riemannian metric, i.e. with an inner product on the tangent space at each point that varies smoothly from point to point. This gives, in particular, local notions of angle, length of curves, surface area, and volume. From those some other global quantities can be derived by integrating local contributions. . . . It enabled Einstein's general relativity theory, made profound impact on group theory and representation theory, as well as analysis, and spurred the development of algebraic and differential topology.' back

Rolf Landauer, Information is a Physical Entity, 'Abstract: This paper, associated with a broader conference talk on the fundamental physical limits of information handling, emphasizes the aspects still least appreciated. Information is not an abstract entity but exists only through a physical representation, thus tying it to all the restrictions and possibilities of our real physical universe. The mathematician's vision of an unlimited sequence of totally reliable operations is unlikely to be implementable in this real universe. Speculative remarks about the possible impact of that, on the ultimate nature of the laws of physics are included.' back

Scholasticism - Wikipedia, Scholasticism - Wikipedia, the free encyclopedia, 'Scholasticism is a method of critical thought which dominated teaching by the academics ("scholastics," or "schoolmen") of medieval universities in Europe from about 1100 to 1700, and a program of employing that method in articulating and defending dogma in an increasingly pluralistic context. It originated as an outgrowth of, and a departure from, Christian monastic schools at the earliest European universities. . . . .' back

Schrödinger equation - Wikipedia, Schrödinger equation - Wikipedia, the free encyclopedia, 'IIn quantum mechanics, the Schrödinger equation is a partial differential equation that describes how the quantum state of a quantum system changes with time. It was formulated in late 1925, and published in 1926, by the Austrian physicist Erwin Schrödinger. . . . In classical mechanics Newton's second law, (F = ma), is used to mathematically predict what a given system will do at any time after a known initial condition. In quantum mechanics, the analogue of Newton's law is Schrödinger's equation for a quantum system (usually atoms, molecules, and subatomic particles whether free, bound, or localized). It is not a simple algebraic equation, but in general a linear partial differential equation, describing the time-evolution of the system's wave function (also called a "state function").' back

Schroedinger picture - Wikipedia, Schroedinger picture - Wikipedia, the free encyclopedia, 'In physics, the Schrödinger picture (also called the Schrödinger representation) is a formulation of quantum mechanics in which the state vectors evolve in time, but the operators (observables and others) are constant with respect to time.' back

Second Vatican Council, Dogmatic Constitution on the Church Lumen Gentium, Vatican II Dogmatic Constitution on the Church solemnly promulgated by His Holiness Pope John Paul VI on November 21, 1964. back

Sheffer stroke - Wikipedia, Sheffer stroke - Wikipedia, the free encyclopedia, 'In Boolean functions and propositional calculus, the Sheffer stroke, named after Henry M. Sheffer, written "|" . . . denotes a logical operation that is equivalent to the negation of the conjunction operation, expressed in ordinary language as "not both". It is also called nand ("not and") or the alternative denial, since it says in effect that at least one of its operands is false.' back

Shield of the Trinity - Wikipedia, Shield of the Trinity - Wikipedia, the free encyclopedia, 'The Shield of the Trinity or Scutum Fidei is a traditional Christian visual symbol which expresses many aspects of the doctrine of the Trinity, summarizing the first part of the Athanasian Creed in a compact diagram. In late medieval England and France, this emblem was considered to be the heraldic arms of God (and of the Trinity).' back

Simple harmonic motion - Wikipedia, Simple harmonic motion - Wikipedia, the free encyclopedia, 'In mechanics and physics, simple harmonic motion is a type of periodic motion where the restoring force is directly proportional to the displacement. It can serve as a mathematical model of a variety of motions, such as the oscillation of a spring. In addition, other phenomena can be approximated by simple harmonic motion, including the motion of a simple pendulum as well as molecular vibration. Simple harmonic motion is typified by the motion of a mass on a spring when it is subject to the linear elastic restoring force given by Hooke's Law. The motion is sinusoidal in time and demonstrates a single resonant frequency. In order for simple harmonic motion to take place, the net force of the object at the end of the pendulum must be proportional to the displacement.' back

Singlet - Wikipedia, Singlet - Wikipedia, the free encyclopedia, 'In theoretical physics, a singlet usually refers to a one-dimensional representation (e.g. a particle with vanishing spin). It may also refer to two or more particles prepared in a correlated state, such that the total angular momentum of the state is zero. Singlets frequently occur in atomic physics as one of the two ways in which the spin of two electrons can be combined; the other being a triplet. A single electron has spin 1/2, and transforms as a doublet, that is, as the fundamental representation of the rotation group SU(2). The product of two doublet representations can be decomposed into the sum of the adjoint representation (the triplet) and the trivial representation, the singlet. More prosaically, a pair of electron spins can be combined to form a state of total spin 1 and a state of spin 0. The singlet state formed from a pair of electrons has many peculiar properties, and plays a fundamental role in the EPR paradox and quantum entanglement' back

Special relativity - Wikipedia, Special relativity - Wikipedia, the free encyclopedia, 'Special relativity . . . is the physical theory of measurement in an inertial frame of reference proposed in 1905 by Albert Einstein (after the considerable and independent contributions of Hendrik Lorentz, Henri Poincaré and others) in the paper "On the Electrodynamics of Moving Bodies". It generalizes Galileo's principle of relativity—that all uniform motion is relative, and that there is no absolute and well-defined state of rest (no privileged reference frames)—from mechanics to all the laws of physics, including both the laws of mechanics and of electrodynamics, whatever they may be. Special relativity incorporates the principle that the speed of light is the same for all inertial observers regardless of the state of motion of the source.' back

Spin-statistics theorem - Wikipedia, Spin-statistics theorem - Wikipedia, the free encyclopedia, 'In quantum mechanics, the spin–statistics theorem relates the spin of a particle to the particle statistics it obeys. The spin of a particle is its intrinsic angular momentum (that is, the contribution to the total angular momentum that is not due to the orbital motion of the particle). All particles have either integer spin or half-integer spin (in units of the reduced Planck constant ħ). The theorem states that: The wave function of a system of identical integer-spin particles has the same value when the positions of any two particles are swapped. Particles with wave functions symmetric under exchange are called bosons. The wave function of a system of identical half-integer spin particles changes sign when two particles are swapped. Particles with wave functions antisymmetric under exchange are called fermions.' back

Square root of 2 - Wikipedia, Square root of 2 - Wikipedia, the free encyclopedia, 'Geometrically the square root of 2 is the length of a diagonal across a square with sides of one unit of length; this follows from the Pythagorean theorem. It was probably the first number known to be irrational.' back

Standard model - Wikipedia, Standard model - Wikipedia, the free encyclopedia, 'The Standard Model of particle physics is a theory that describes three of the four known fundamental interactions between the elementary particles that make up all matter. It is a quantum field theory developed between 1970 and 1973 which is consistent with both quantum mechanics and special relativity. To date, almost all experimental tests of the three forces described by the Standard Model have agreed with its predictions. However, the Standard Model falls short of being a complete theory of fundamental interactions, primarily because of its lack of inclusion of gravity, the fourth known fundamental interaction, but also because of the large number of numerical parameters (such as masses and coupling constants) that must be put "by hand" into the theory (rather than being derived from first principles) . . . ' back

Summa Theologica - Wikipedia, Summa Theologica - Wikipedia, the free encyclopedia, 'The Summa Theologiae (Latin: Compendium of Theology or Theological Compendium; also subsequently called the Summa Theologica or simply the Summa, written 1265–1274) is the most famous work of Thomas Aquinas (c. 1225 - 1274), and, although it was never finished, it is arguably "one of the classics of the history of philosophy and one of the most influential works of Western literature".[1] It was intended as a manual for beginners and a compilation of all of the main theological teachings of the time. It presents the reasoning for almost all points of Christian theology in the West by medieval scholastic reckoning. The Summa's topics follow a cycle: the existence of God; God's creation, Man; Man's purpose; Christ; the Sacraments; and back to God.' back

Tensor product of Hilbert spaces - Wikipedia, Tensor product of Hilbert spaces - Wikipedia, the free encyclopedia, ' In mathematics, and in particular functional analysis, the tensor product of Hilbert spaces is a way to extend the tensor product construction so that the result of taking a tensor product of two Hilbert spaces is another Hilbert space. Roughly speaking, the tensor product is the metric space completion of the ordinary tensor product. This is an example of a topological tensor product. The tensor product allows Hilbert spaces to be collected into a symmetric monoidal category.' back

The Greatest Story Ever Told - Wikipedia, The Greatest Story Ever Told - Wikipedia, the free encyclopedia, 'The Greatest Story Ever Told is a 1965 American epic film produced and directed by George Stevens. It is a retelling of the story of Jesus Christ, from the Nativity through the Resurrection. This film is notable for its large ensemble cast and for being the last film appearance of Claude Rains. back

Theory of Forms - Wikipedia, Theory of Forms - Wikipedia, the free encyclopedia, 'Plato's theory of Forms or theory of Ideas asserts that non-material abstract (but substantial) forms (or ideas), and not the material world of change known to us through sensation, possess the highest and most fundamental kind of reality. When used in this sense, the word form or idea is often capitalized. Plato speaks of these entities only through the characters (primarily Socrates) of his dialogues who sometimes suggest that these Forms are the only true objects of study that can provide us with genuine knowledge; thus even apart from the very controversial status of the theory, Plato's own views are much in doubt. Plato spoke of Forms in formulating a possible solution to the problem of universals.' back

Thomas Aquinas, Summa Theologica, Thomas Aquinas: The medieval theological classic online : 'Because the doctor of Catholic truth ought not only to teach the proficient, but also to instruct beginners (according to the Apostle: As unto little ones in Christ, I gave you milk to drink, not meat -- 1 Cor. 3:1-2), we purpose in this book to treat of whatever belongs to the Christian religion, in such a way as may tend to the instruction of beginners. We have considered that students in this doctrine have not seldom been hampered by what they have found written by other authors, partly on account of the multiplication of useless questions, articles, and arguments, partly also because those things that are needful for them to know are not taught according to the order of the subject matter, but according as the plan of the book might require, or the occasion of the argument offer, partly, too, because frequent repetition brought weariness and confusion to the minds of readers.' back

Thomas de Aquino, Summa, I, 14, 1, Utrum in Deo sit scientia, 'Respondeo dicendum quod in Deo perfectissime est scientia. Ad cuius evidentiam, considerandum est quod cognoscentia a non cognoscentibus in hoc distinguuntur, quia non cognoscentia nihil habent nisi formam suam tantum; sed cognoscens natum est habere formam etiam rei alterius, nam species cogniti est in cognoscente. Unde manifestum est quod natura rei non cognoscentis est magis coarctata et limitata, natura autem rerum cognoscentium habet maiorem amplitudinem et extensionem. Propter quod dicit philosophus, III de anima, quod anima est quodammodo omnia. Coarctatio autem formae est per materiam. Unde et supra diximus quod formae, secundum quod sunt magis immateriales, secundum hoc magis accedunt ad quandam infinitatem. Patet igitur quod immaterialitas alicuius rei est ratio quod sit cognoscitiva; et secundum modum immaterialitatis est modus cognitionis. Unde in II de anima dicitur quod plantae non cognoscunt, propter suam materialitatem. Sensus autem cognoscitivus est, quia receptivus est specierum sine materia, et intellectus adhuc magis cognoscitivus, quia magis separatus est a materia et immixtus, ut dicitur in III de anima. Unde, cum Deus sit in summo immaterialitatis, ut ex superioribus patet, sequitur quod ipse sit in summo cognitionis.' back

Time-division multiplexing - Wikipedia, Time-division multiplexing - Wikipedia, the free encyclopedia, 'Time-division multiplexing (TDM) is a method of transmitting and receiving independent signals over a common signal path by means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fraction of time in an alternating pattern.' back

To a Mouse - Wikipedia, To a Mouse - Wikipedia, the free encyclopedia, ' "To a Mouse, on Turning Her Up in Her Nest With the Plough, November, 1785" is a Scots-language poem written by Robert Burns in 1785, and was included in the Kilmarnock volume. According to legend, Burns was ploughing in the fields and accidentally destroyed a mouse's nest, which it needed to survive the winter. In fact, Burns's brother claimed that the poet composed the poem while still holding his plough.' back

Transubstantiation - Wikipedia, Transubstantiation - Wikipedia, the free encyclopedia, 'Transubstantiation (in Latin, transsubstantiatio, in Greek μετουσίωσις metousiosis) is, according to the teaching of the Catholic Church, the change of substance by which the bread and the wine offered in the sacrifice of the sacrament of the Eucharist during the Mass, become, in reality, the body and blood of Jesus the Christ. . . . All that is accessible to the senses (the outward appearances – species in Latin) remains unchanged.' back

Tree of life (biology) - Wikipedia, Tree of life (biology) - Wikipedia, the free encyclopedia, 'The tree of life or universal tree of life is a metaphor used to describe the relationships between organisms, both living and extinct, as described in a famous passage in Charles Darwin's On the Origin of Species (1859).' back

Trinity - Wikipedia, Trinity - Wikipedia, the free encyclopedia, 'The Christian doctrine of the Trinity (from Latin trinitas "triad", from trinus "threefold") defines God as three consubstantial persons, expressions, or hypostases: the Father, the Son (Jesus Christ), and the Holy Spirit; "one God in three persons". The three persons are distinct, yet are one "substance, essence or nature" homoousios). In this context, a "nature" is what one is, while a "person" is who one is.' back

Truth value - Wikipedia, Truth value - Wikipedia, the free encyclopedia, ' In logic and mathematics, a truth value, sometimes called a logical value, is a value indicating the relation of a proposition to truth. back

Turing's Proof - Wikipedia, Turing's Proof - Wikipedia, the free encyclopedia, 'Turing's proof is a proof by Alan Turing, first published in January 1937 with the title "On Computable Numbers, with an Application to the Entscheidungsproblem." It was the second proof of the assertion (Alonzo Church's proof was first) that some decision problems are "undecidable": there is no single algorithm that infallibly gives a correct "yes" or "no" answer to each instance of the problem. In his own words: "...what I shall prove is quite different from the well-known results of Gödel ... I shall now show that there is no general method which tells whether a given formula U is provable in K [Principia Mathematica]..." '. back

Tycho Brahe - Wikipedia, Tycho Brahe - Wikipedia, the free encyclopedia, 'Tycho Brahe (14 December 1546 – 24 October 1601), born Tyge Ottesen Brahe, was a Danish nobleman known for his accurate and comprehensive astronomical and planetary observations. Coming from Scania, then part of Denmark, now part of modern-day Sweden, Tycho was well known in his lifetime as an astronomer and alchemist.' back

Vacuum energy - Wikipedia, Vacuum energy - Wikipedia, the free encyclopedia, 'The effects of vacuum energy can be experimentally observed in various phenomena such as spontaneous emission, the Casimir effect and the Lamb shift, and are thought to influence the behavior of the Universe on cosmological scales. Using the upper limit of the cosmological constant, the vacuum energy of free space has been estimated to be 10−9 joules . . . per cubic meter. However, in both quantum electrodynamics (QED) and stochastic electrodynamics (SED), consistency with the principle of Lorentz covariance and with the magnitude of the Planck constant requires it to have a much larger value of 10113 joules per cubic meter. This huge discrepancy is known as the vacuum catastrophe.' back

Vatican I, Pope Pius X: Pastor Aeternus, Chapter IV: On the infallibility of the Roman Pontiff . . . 9. Therefore, faithfully adhering to the tradition received from the beginning of the Christian faith, to the glory of God our savior, for the exaltation of the Catholic religion and for the salvation of the Christian people, with the approval of the Sacred Council, we teach and define as a divinely revealed dogma that when the Roman Pontiff speaks EX CATHEDRA, that is, when, in the exercise of his office as shepherd and teacher of all Christians, in virtue of his supreme apostolic authority, he defines a doctrine concerning faith or morals to be held by the whole Church, he possesses, by the divine assistance promised to him in blessed Peter, that infallibility which the divine Redeemer willed his Church to enjoy in defining doctrine concerning faith or morals. Therefore, such definitions of the Roman Pontiff are of themselves, and not by the consent of the Church, irreformable. So then, should anyone, which God forbid, have the temerity to reject this definition of ours: let him be anathema. back

W. F. McGrew et al, Atomic clock performance enabling geodesy below the centimetre level, ' The passage of time is tracked by counting oscillations of a frequency reference, such as Earth’s revolutions or swings of a pendulum. By referencing atomic transitions, frequency (and thus time) can be measured more precisely than any other physical quantity, with the current generation of optical atomic clocks reporting fractional performance below the 10−17 level. However, the theory of relativity prescribes that the passage of time is not absolute, but is affected by an observer’s reference frame. Consequently, clock measurements exhibit sensitivity to relative velocity, acceleration and gravity potential. Here we demonstrate local optical clock measurements that surpass the current ability to account for the gravitational distortion of space-time across the surface of Earth. In two independent ytterbium optical lattice clocks, we demonstrate unprecedented values of three fundamental benchmarks of clock performance. In units of the clock frequency, we report systematic uncertainty of 1.4 × 10−18, measurement instability of 3.2 × 10−19 and reproducibility characterized by ten blinded frequency comparisons, yielding a frequency difference of [−7 ± (5)stat ± (8)sys] × 10−19, where ‘stat’ and ‘sys’ indicate statistical and systematic uncertainty, respectively. Although sensitivity to differences in gravity potential could degrade the performance of the clocks as terrestrial standards of time, this same sensitivity can be used as a very sensitive probe of geopotential. Near the surface of Earth, clock comparisons at the 1 × 10−18 level provide a resolution of one centimetre along the direction of gravity, so the performance of these clocks should enable geodesy beyond the state-of-the-art level. These optical clocks could further be used to explore geophysical phenomena, detect gravitational waves, test general relativity and search for dark matter.' back

Wave function collapse - Wikipedia, Wave function collapse - Wikipedia, the free encyclopedia, 'In quantum mechanics, wave function collapse is said to occur when a wave function—initially in a superposition of several eigenstates—appears to reduce to a single eigenstate (by "observation"). It is the essence of measurement in quantum mechanics and connects the wave function with classical observables like position and momentum. Collapse is one of two processes by which quantum systems evolve in time; the other is continuous evolution via the Schrödinger equation.' back

Weightlessness - Wikipedia, Weightlessness - Wikipedia, the free encyclopedia, back

William Rowan Hamilton - Wikipedia, William Rowan Hamilton - Wikipedia, the free encyclopedia, Sir William Rowan Hamilton (August 4, 1805 – September 2, 1865) was an Irish mathematician, physicist, and astronomer who made important contributions to the development of optics, dynamics, and algebra. His discovery of quaternions is perhaps his best known investigation. Hamilton's work was also significant in the later development of quantum mechanics. Hamilton is said to have showed immense talent at a very early age, prompting astronomer Bishop Dr. John Brinkley to remark in 1823 of Hamilton at the age of eighteen: “This young man, I do not say will be, but is, the first mathematician of his age.” ' back

Wojciech Hubert Zurek, Quantum origin of quantum jumps: breaking of unitary symmetry induced by information transfer and the transition from quantum to classical, 'Submitted on 17 Mar 2007 (v1), last revised 18 Mar 2008 (this version, v3)) "Measurements transfer information about a system to the apparatus, and then further on -- to observers and (often inadvertently) to the environment. I show that even imperfect copying essential in such situations restricts possible unperturbed outcomes to an orthogonal subset of all possible states of the system, thus breaking the unitary symmetry of its Hilbert space implied by the quantum superposition principle. Preferred outcome states emerge as a result. They provide framework for the ``wavepacket collapse'', designating terminal points of quantum jumps, and defining the measured observable by specifying its eigenstates. In quantum Darwinism, they are the progenitors of multiple copies spread throughout the environment -- the fittest quantum states that not only survive decoherence, but subvert it into carrying information about them -- into becoming a witness.' back

Yitzhak Y. Melamed and Martin Lin, Principle of Sufficient Reason (Stanford Encyclopedia of Philosophy), 'The Principle of Sufficient Reason is a powerful and controversial philosophical principle stipulating that everything must have a reason, cause, or ground. This simple demand for thoroughgoing intelligibility yields some of the boldest and most challenging theses in the history of philosophy. In this entry we begin by explaining the Principle and then turn to the history of the debates around it. We conclude with an examination of the emerging contemporary discussion of the Principle.' back

Zeno's paradoxes - Wikipedia, Zeno's paradoxes - Wikipedia, the free encyclopedia, 'Zeno's paradoxes are a set of problems generally thought to have been devised by Zeno of Elea to support Parmenides's doctrine that "all is one" and that, contrary to the evidence of our senses, the belief in plurality and change is mistaken, and in particular that motion is nothing but an illusion.' back

Zermelo-Fraenkel set theory - Wikipedia, Zermelo-Fraenkel set theory - Wikipedia, the free encyclopedia, 'n mathematics, Zermelo–Fraenkel set theory, named after mathematicians Ernst Zermelo and Abraham Fraenkel, is one of several axiomatic systems that were proposed in the early twentieth century to formulate a theory of sets free of paradoxes such as Russell's paradox. Zermelo–Fraenkel set theory with the historically controversial axiom of choice included is commonly abbreviated ZFC, where C stands for choice. . . . Today ZFC is the standard form of axiomatic set theory and as such is the most common foundation of mathematics.' back

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