T H E
F R O N T I E R S
C O L L E C T I O N
Anthony Aguirre
Brendan Foster
Zeeya Merali (Eds.)
Trick or
Truth?
The My sterio us Co nnec t io n
Bet ween Physics
and M at h e mati cs
123
Anthony Aguirre Brendan Foster
Zeeya Merali
•
Editors
Trick or Truth?
The Mysterious Connection
Between Physics and Mathematics
123
burov@fnal.gov
Editors
Anthony Aguirre
Department of Physics
University of California
Santa Cruz, CA
USA
Zeeya Merali
Foundational Questions Institute
Decatur, GA
USA
Brendan Foster
Foundational Questions Institute
Decatur, GA
USA
ISSN 1612-3018
ISSN 2197-6619 (electronic)
THE FRONTIERS COLLECTION
ISBN 978-3-319-27494-2
ISBN 978-3-319-27495-9 (eBook)
DOI 10.1007/978-3-319-27495-9
Library of Congress Control Number: 2015958338
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Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anthony Aguirre, Brendan Foster and Zeeya Merali
1
Children of the Cosmos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sylvia Wenmackers
5
Mathematics Is Physics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M.S. Leifer
21
My God, It’s Full of Clones: Living in a Mathematical Universe . . . . . .
Marc Séguin
41
Let’s Consider Two Spherical Chickens . . . . . . . . . . . . . . . . . . . . . . . .
Tommaso Bolognesi
55
The Raven and the Writing Desk. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ian T. Durham
67
The Deeper Roles of Mathematics in Physical Laws . . . . . . . . . . . . . . .
Kevin H. Knuth
77
How Mathematics Meets the World . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tim Maudlin
91
Mathematics: Intuition’s Consistency Check. . . . . . . . . . . . . . . . . . . . . 103
Ken Wharton
How Not to Factor a Miracle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Derek K. Wise
The Language of Nature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
David Garfinkle
Demystifying the Applicability of Mathematics . . . . . . . . . . . . . . . . . . . 135
Nicolas Fillion
vii
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Contents
Why Mathematics Works so Well . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Noson S. Yanofsky
Genesis of a Pythagorean Universe . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Alexey Burov and Lev Burov
Beyond Math . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Sophía Magnúsdóttir
The Descent of Math. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Sara Imari Walker
The Ultimate Tactics of Self-referential Systems . . . . . . . . . . . . . . . . . . 193
Christine C. Dantas
Cognitive Science and the Connection Between Physics
and Mathematics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Anshu Gupta Mujumdar and Tejinder Singh
A Universe from Universality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Philip Gibbs
And the Math Will Set You Free . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Ovidiu Cristinel Stoica
Appendix: List of Winners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
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Genesis of a Pythagorean Universe
Alexey Burov and Lev Burov
Abstract The full-blown multiverse hypothesis, chaosogenesis, is refuted on the
grounds of simplicity, the large scale and high precision of the already discovered
laws of nature. A selection principle is required not only to explain the possibility
of life and consciousness, but also theoretizability of our universe. The anthropic
principle provides the former, but not the latter. As chaosogenesis is shown to be the
only thinkable scientific answer to the question of why the laws of nature are the way
they are, its refutation means that this question cannot be answered scientifically.
Introduction
The task of science, as it is generally assumed, is to find the laws of nature allowing
both to explain the diversity of observations as well as to predict new ones. Science
seeks to discover the logic that is hidden beneath phenomena and which determines
their flow and qualities. The understanding of truth as uncovering of hidden essence,
as dis-covery, is embedded in the Greek word α λ ή θ % ι α (truth), consisting of negation (α-) and λ ή θ η, which means a veil or concealment. Pythagoras taught that
this essence is the harmony of hidden unity which can be expressed in the language
of numbers. When Galileo stated that nature is a book written in the language of
mathematics, he was expressing this ancient Pythagorean credo. The same can be
said about Dirac, whose fundamental belief was that “the laws of nature should be
expressed in beautiful equations”, and about Einstein who believed that the strongest
and noblest motive for the scientific search is a deep conviction of the rationality of
the universe, saturated with the cosmic religious feeling.
When theories that exhaust phenomena are formulated and logically unified into
a single theory of everything, the task of fundamental science is finished. Whatever
this theory of everything may be, other theories in physics will be its consequences as
A. Burov (B)
FNAL, Batavia, IL, USA
e-mail: burov@fnal.gov
L. Burov
Scientific Humanities LLC, San Francisco, CA, USA
© Springer International Publishing Switzerland 2016
A. Aguirre et al. (eds.), Trick or Truth?, The Frontiers Collection,
DOI 10.1007/978-3-319-27495-9_14
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limit cases or asymptotes. Although humanity does not now and may possibly never
have such a theory in its fullness, many of its limit cases are known to us as concrete
theories, such as classical and quantum mechanics, general theory of relativity, the
standard model, and others.
The laws of nature are discovered as composite and specific mathematical structures. As these structures are revealed, we unavoidably come to a certain question
regarding the structures themselves. First of all, why does any law expressed by one
or another mathematical formula structure our world at all? While it is thinkable for
a universe to be structured by any logically consistent system, out of this infinite set
of structures only one determines our universe. Why this structure and not another?
Why are the laws simple enough to be discovered? Why are they mathematically
beautiful? Who or what singled them out and on what ground?
In this way the laws of nature become a problem, though not in the usual scientific
context of searching them out, but as something that requires its own explanation. The
illusory nature of an explanation that does not go beyond natural laws was pointed
out by Ludwig Wittgenstein [1]:
The whole modern conception of the world is founded on the illusion that the so-called laws
of nature are the explanations of natural phenomena. Thus people today stop at the laws of
nature, treating them as something inviolable, just as God and Fate were treated in past ages.
And in fact both are right and both wrong: though the view of the ancients is clearer in so
far as they have a clear and acknowledged terminus, while the modern system tries to make
it look as if everything were explained.
Here Wittgenstein criticizes a silent acceptance of a composite and special mathematical structure as the ultimate explanation of the world. Such explanation barred
from further questioning and not subject to reasonable ground of its own existence
is an affirmation of unreasonableness of this ground.
So what is this ‘unreasonableness’ that stops reason in this questioning? Declaring
the unreasonable and meaningless, which can not even be questioned, as a foundation
of reason is nothing but an assertion of the primacy of the absurd. We define the
absurd as a derogation of reason, a denial of its independent value, which should
not be confused with related, but different entities: foolishness, meaninglessness,
impossibility, the fantastic, humorous or accidental. Foolishness is but a weakness,
a lack of ability to reason. To point out foolishness, to sneer at it, only emphasizes
the significance of thinking. A magic carpet is fantastical and perpetual motion
impossible, but notions about them in no way debase the significance of reason; if
anything, they can stir minds to new, daring pursuits. In play, theater, and literature,
making fun of common sense and challenging it constitutes an absurdist joke, and,
more generally, an absurdist genre. But this challenge to reason is limited by play
and the space of imagination. There is no meaning in chance, but it is thinkable; often
randomness can be accounted for probabilistically, and in some situations its presence
can be diminished through thoughtful consideration. Chance itself is unreasonable,
but it doesn’t touch upon values and doesn’t put reason under an existential threat.
That which does deliver such an attack, is the absurd.
In the context of the limits of reason, the antithesis of absurd is mystery. Mystery
is reason’s creative source, literally its alma mater that is replete with meaning. While
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both are presented as limitations, where the absurd is a dead end, mystery is infinity.
Acceptance of the power of the absurd is a fundamental denigration of reason; yet
the awareness of mystery ennobles and inspires rational thought.
Paul Davis, in considering the denial of reasonableness of the question about
the source of the laws of nature, characterizes it specifically as the assertion of
fundamental absurdity [2]:
One can ask: Why that unified theory rather than some other?… Why a unified theory that
permits sentient beings who can observe the moon? One answer you may be given is that there
is no reason: the unified theory must simply be treated as “the right one,” and its consistency
with the existence of a moon, or of living observers, is dismissed as an inconsequential fluke.
If that is so, then the unified theory—the very basis for all physical reality—itself exists for
no reason at all. Anything that exists reasonlessly is by definition absurd. So we are asked to
accept that the mighty edifice of scientific rationality—indeed, the very mathematical order
of the universe—is ultimately rooted in absurdity!
Such superstition destroys the meaning of fundamental science by undermining
the importance of reason, subjected by this superstition to the absurd.
So then, what could be the answers concerning the source of the laws of nature? Is
there any way of choosing or rejecting one or another? That is the topic of discussion
in the present article.
The Fine Tuning Question
“There is now broad agreement among physicists and cosmologists”, writes Paul
Davis [3], “that the universe is in several respects ‘fine-tuned’ for life”. Similarly,
Stephen Hawking has noted:
The laws of science, as we know them at present, contain many fundamental numbers, like the
size of the electric charge of the electron [fine structure constant] and the ratio of the masses
of the proton and the electron. ... The remarkable fact is that the values of these numbers
seem to have been very finely adjusted to make possible the development of life [4].
Another crucial point is articulated by Alexei Tsvelik [5]:
[since] the number of existing life-imposing conditions by far exceeds the number of constants, their fulfillment could not be achieved by fine tuning of these constants and required
also the right choice of the fundamental principles of physical laws.
The premise of the fine-tuned universe revived the old metaphysical problem of
the source of order in the world as the problem of fine-tuning: who or what tuned the
universe so fine? A pure scientific approach required finding an objective answer:
not “somebody” but “something” as the cause of tuning.
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Order from Chaos
It is thought that this “something” could be any combination of laws of nature provided by one or another general theory and random factors; or, using the terms of
Platonic philosophy, any combination of forms and chaos. However, as it was noted
by Wittgenstein, any theory used in that respect itself requires to be explained. John
A. Wheeler expressed the same as a question: why is this very theory structuring
everything existent? Why doesn’t some other theory instead? In other words, the use
of any theory for this does not solve the problem of fine-tuning, but moves it to a
higher level. The only way to solve this problem totally in the framework of science
is to show a possibility of appearance of being from nothing, or chaosogenesis, the
appearance of order from chaos. Indeed, theories, being specific formal structures,
are limited and composite entities, and thus lead to the question “why this theory
and not other?”. Chaos per se is limitless and structureless, a totality intrinsically
undivided into “this” and “that”, whose various manifestations differ from each other
due only to the variety of doors that one or another theory opens for chaos to enter.
Historically, the idea of chaosogenesis is very old, having been traced down to Hesiod
and pre-Socratics, and it had been opposed by the Pythagoreans and Platonics. For
instance, Plotinus wrote: “Any attempt to derive order, reason, or the directing soul
from the unordered motion of atoms or elements is absurd and impossible.” Jaspers
[6] Not all contemporary cosmologists share Plotinus’ views on the chaosogenesis,
so the idea is frequently pronounced.
Max Tegmark has formulated the “Ultimate ensemble theory of everything”,
whose main motivation is clearly expressed [7]:
If the TOE [theory of everything] exists and is one day discovered, then an embarrassing
question remains, as emphasized by John Archibald Wheeler: Why these particular equations, not others? Could there really be a fundamental, unexplained ontological asymmetry
built into the very heart of reality, splitting mathematical structures into two classes, those
with and without physical existence? After all, a mathematical structure is not “created” and
doesn’t exist “somewhere”. It just exists. As a way out of this philosophical conundrum, I
have suggested that complete mathematical democracy holds: that mathematical existence
and physical existence are equivalent, so that all mathematical structures have the same
ontological status.
Thus for Tegmark, the terminus ultimately explaining everything existing is the
totality of all mathematical forms, the Platonic world. To “just exist”, the mathematical structure has to be self-consistent, logically acceptable, but what he doesn’t
mention is the unity of these forms. This unity must not only somehow bind every one
of them together but it has to guarantee their self-consistency. The forms though are
mental entities. They are not thinkable without a mind which contains them as truly
self-consistent. Thus, we have to conclude that this unity, the terminus of Tegmark’s
questioning, is a mind, even if it is not mentioned at all. What makes this mind special
and distinctive from its various Platonic versions is its total indifference to the forms
it contains. That is what Tegmark calls “the mathematical democracy.”
It has to be stressed, that purely by itself, without any forms involved, chaos
cannot produce anything, and Tegmark’s model is not an exception to this rule:
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it assumes that all possible worlds are based on mathematical structures, such as
groups, algebras, fields, sets of equations, and other formal systems. It also assumes
that there is a way for these structures to show themselves as phenomena, and to be
observed both as mathematical and physical objects. Chaos comes in this picture as
the randomness of a universe we happen to be born in, with the only limitation that
the laws of this universe are compatible with life and consciousness. What makes
Tegmark’s model very special is its minimal involvement of a priori concretization
or selection principles, which is why we are equating this model of “mathematical
democracy” with chaosogenesis.
A possibility for the structure of the fundamental laws of nature to be random to
some unclear degree and beyond that to be non-randomly selected by some unpronounced entity was expressed by several leading scientists, e.g. by Andrei Linde (see
a citation below) and Steven Weinberg [8]:
…we have to keep in mind the possibility that what we now call the laws of nature and
the constants of nature are accidental features of the big bang in which we happen to find
ourselves, though constrained (as is the distance of the Earth from the Sun) by the requirement
that they have to be in a range that allows the appearance of beings that can ask why they
are what they are.
The Darwinian theory of evolution is widely believed to explain the birth of order
from chaos. To follow its line of thought, our universe is considered a member of
a huge or infinite ensemble of universes, one generated by the other, with daughter
universes mostly inheriting the logical structure of the mother ones, adding some
mutations on top [9, 10]. After the heredity and variation of the multiplying logical
structures are settled, the third Darwinian principle, selection, can be introduced as
well. This role is played by the so called weak anthropic principle, or WAP [11],
pointing out that only those universes can be observed where observers can appear,
which selects a narrow class of fine-tuned universes as it is noted in Weinberg’s
quotation above. Thus, though our universe is thought of in this Darwinian approach
as a random representative of Tegmark’s totality of forms, its fine tuning apparently
receives a scientific explanation as a result of a Darwinian chaosogenesis. Although
in the infinite megaverse only a tiny portion of universes is fine-tuned for life and
consciousness, the probability for any observer to see the universe as fine-tuned is
one hundred percent.
An important role of WAP as the only alternative to theistic explanations of the
fine tuning was stressed by Weinberg [12]:
In me, this apparent fine-tuning arouses wonder. The only explanation for it, other than
a theological explanation, is in terms of a multiverse—I mean a universe consisting of
many parts, each with different laws of nature and different values for its constants, like the
‘cosmological constant’ which governs cosmic expansion. If there is a multiverse consisting
of many universes, most of them hostile to life but a few favorable to it, then it’s not surprising
that we find ourselves in one where conditions are in the fortunate range.
Nothing seemingly contradicts the assumption that our universe is a random representative of WAP-selected subset of Tegmark’s multiverse, but is that really so?
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Does the universe indeed have no clear signature excluding any possibility of it having been randomly selected from this totality of all possible mathematical structures?
Is the concept of chaosogenesis irrefutable by any thinkable observation, i.e. is it not
a scientific hypothesis? Apparently, it is considered as irrefutable by some leading
experts. For instance, Brian Greene clearly states just that [13]:
I draw the line at ideas that have no possibility of being confronted meaningfully by experiment or observation, not because of human frailty or technological hurdles, but because
of the proposals’ inherent nature. Of the multiverses we’ve considered, only the full-blown
version of the Ultimate Multiverse falls into this netherland. If absolutely every possible
universe is included, then no matter what we measure or observe, the Ultimate Multiverse
[i.e. Tegmark’s one] will nod and embrace our result.
Contrary to B. Greene, we are showing below that Tegmark’s hypothesis runs
counter to certain observations, so it fails, and fails as a scientific theory.
Weak Anthropic Principle
On the question of possibility of the long evolution from the Big Bang to thought the
WAP answers thus: in those worlds, where this path hasn’t been traversed, there is no
one to ask. But then in our universe this path has been traversed, so we ask one more
question: why isn’t the path thrown into nowhere right now? Why does this world
not only exist, but continues to exist, and the prediction of its continued existence
comes true over and over, while the prediction of the end of the world turns out to
be false again and again? What keeps this complex world with its life and thought in
being?
The prediction of an immediate end of the world is completely unavoidable in
the framework of the WAP and full-blown multiverse. Maintaining whatever special features is a special requirement, demanded of the universe. Special demands
can be fulfilled, if appropriately grounded. If there is no ground, then there is no
sense in expecting of keeping the requirements. The WAP explains why life and
thought became possible. But out of the truism, which it uses to explain, no logical
consequence follows that further on the required conditions will remain satisfied.
The reader might ask, if it already turned out this way with our universe, that up
till now it maintained life, does it mean that it has some kind of a foundation of the
laws that it happened to have, which keep it in this status of continuation of life.
What’s wrong with this explanation of the renewed anthropic continuation?
Let’s consider this explanation more closely. It supposes an existence of some
laws, giving structure to the universe, its evolution in time. The laws themselves
at the same time must be atemporal: otherwise whatever segregation of them from
the temporal world would be meaningless; the regulators would be no different than
regulated. But even beside that they are atemporal, the laws are mental entities: to see
them and to think them is one and the same. Postulating laws as objective mental entities implies Mind as a sphere of their being. It takes nothing but a Mathematical Mind
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to differentiate a law good for the universe from one which is not—meaninglessness,
absurdity or a self-contradictory system. Because the Mind not only discerns the
laws from non-laws but it manifests them as structure-forming elements of the material universes, It is also a Maker. In this way, the very assumption of some noncontradictory laws leads to the conclusion about the transcendental Creator as the
Mathematical Mind and Maker, even strictly within the framework of Tegmark’s
full-blown multiverse.
Let’s assume that Tegmark’s multiverse is just that ocean, a random drop of which
is our universe; a chance limited by the WAP. Does this assumption mean that the
conditions for life, satisfied for billions of years will continue to be satisfied in the next
second? Does the belonging to the full-blown multiverse, strengthened by billions of
years of good behavior serve as the ground to conclude that in the next second this
behavior will continue to be good? There is no such ground here. If a mathematical
function of a general form, a random representative of all possible functions, has been
at zero so far, then we can only conclude that this specific quality will not continue
to be maintained even in the very near future.
Tegmark’s multiverse, determined by all non-contradictory sets of formulas,
essentially is no different from a multiverse limited by nothing, that is pure chaos.
Whatever the behavior of the universe up till now, there will always be an infinite
number of laws corresponding to this behavior, and the chance to select out of them
the set of laws that guarantees good behavior even for the next second equals to
zero. There is an infinite number of laws of explosive action in Tegmark’s multiverse, sleeping up to a certain moment and waking arbitrarily soon. To exclude the
awakening of every one of this infinity of infinitely complex laws in the next second
would equate to postulating an ungrounded specificity of our universe within the
multiverse.
And so, just the conformity of the universe to smooth laws is not enough to
conclude its good behavior in the nearest future. The unavoidable conclusion on
this basis is the immediate end of the world. In order to avoid this conclusion, it is
necessary to rule out laws of explosive action from the initial multiverse, because the
truism of WAP does not exclude them. Essentially, induction logic is ungrounded
for Tegmark’s multiverse, and this point was noted by Leslie and Kuhn [14]:
What is meant, though, by “all mathematical structures”? Leibnitz wrote in his Discourse on
Metaphysics that no matter how you scatter dots on paper there will be some mathematical
formula, perhaps tremendously long and complicated, that generates a line passing through
every one of them… Absolutely any universe, no matter how disorderly, might therefore
count as having “a mathematical structure”… Well, what if the dots already scattered looked
“very orderly” through lying in a straight line so that a simple formula fitted them? Countless
far more complicated formulas would fit those dots as well… So if he lives in a multiverse
containing absolutely all mathematical structures, shouldn’t Tegmark expect that the line of
his future would wriggle wildly? That he would almost surely become a pile of dust or a
goldfish or a cupcake or… or… or… or…?
What is left then of the original motivation of “not needing this hypothesis,” of the
Creator, the motivation responsible for the WAP? The above analysis of implications
demonstrates complete failure of that plan. According to these conclusions, which
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we come to unavoidably, the Ultimate Mind is necessary not only as a Mathematical
one, guaranteeing non-contradiction of laws, but also as an Architectural one, limiting
participation of laws of explosive action. It will be shown further that the laws of our
universe point to yet one more substantial selection.
A Cosmic Observer
“Observers” in WAP are not normally specified; it is not taken into account what
it is namely they do observe. We suppose that to be qualified as observers they at
least have to be conscious, as it is also reasonable to assume that conscious creatures
observe their immediate space of life support and have access to at least empirical
knowledge about it. However, this sort of knowledge has nothing to do with theoretical knowledge of the big cosmos; the first by no means entails the second. Let us
fix this point of an important distinction, a distinction between those simple, minimal, empirical observers and cosmic observers, who are discovering theories of big
cosmos, seeing their universe both at extremely large and extremely small scales, far
exceeding the scale of immediate life support. To become cosmic observers, minimal
ones must live in a very specific world among the populated worlds. Specifically,
their universe has to be theoretically comprehensible on a big cosmic scale; their
world has to be theoretizable, so to say. In other words, the possibility for observers
to be not just simple but cosmic requires their universe to have a very special logical
structure: it has to be described by elegant laws, covering many orders of magnitude
of their parameters. Contemporary humanity is indeed a cosmic observer. For today,
our scale of scientific cognition is described by an enormous dimensionless parameter ∼1045 ; that big is the ratio of the sizes of largest object of physics, the universe,
∼1026 m, to the smallest ones, the top quark and the Higgs boson, corresponding to
∼10−19 m.
The Condition of Elegance
This condition of theoretizability apparently is extraneous to the selective anthropic
principle, that is, theoretizability seems unnecessary for the universes to be populated
by conscious creatures or to be observed. In fact, the latter condition is essentially
local; it requires something like a life-friendly planet inside any universe. The former
condition, though, is global; it requires the laws of nature to be elegant on a big
cosmic scale, a scale by far exceeding that of the life on the planet. Generally, local
conditions do not entail global consequences, and since theoretizability is a specific
functional requirement detached from WAP selection, we have to conclude that it is
highly unlikely for an observed universe to be theoretizable. That is how R. Collins
puts it [15]:
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…even if we assume that embodied observers could only arise in a region with simple
laws, the problem still remains: for every simple law of some form X, there is an infinite
number of complex laws that have form X when approximated to the conditions obtaining in
small spatiotemporal region around X but are extremely complex everywhere else in space
and time.
Since we know, after Isaac Newton, that our universe is theoretizable, chaosogenesis theory is apparently refuted. However, this refutation, being qualitative only,
leaves a possibility to object. Its core statement, that theoretizability is a specific
requirement detached from the anthropic condition for universes “to be observed”
can be questioned. How can we be sure that theoretizability is logically independent
from WAP? It would not be independent, if WAP did not allow for our theoretizable
laws of nature any visible modifications even at extremes of very large and very
small scales, modifications that might exclude the appearance of conscious beings
for one or another reason. The very concept of a fine-tuned universe is suggesting
to us that sort of an idea concerning the fundamental constants, and so, we may ask:
what if the same is true concerning the very structure of the laws of nature? Although
it would be hard to believe that moderate modification of, say, General Relativity at
the distances exceeding the solar system, can dramatically reduce the possibility of
consciousness on our planet, we should consider a chance that it cannot be excluded.
This very argument for the strong relation between the weak anthropic principle and
theoretizability was recently suggested by Linde [16]:
... the inflationary multiverse consists of myriads of ‘universes’ with all possible laws of
physics and mathematics operating in each of them. We can only live in those universes
where the laws of physics allow our existence, which requires making reliable predictions.
The same idea was expressed in the latest book of Tegmark [17], with reference
to E. Wigner:
An anthropic-selection effect may be at work as well: as pointed out by Wigner himself, the
existence of observers able to spot regularities in the world around them probably requires
symmetries, so given that we’re observers, we should expect to find ourselves in a highly
symmetric mathematical structure. For example, imagine trying to make sense of a world
where experiments were never repeatable because their outcome depended on exactly where
and when you performed them. If dropped rocks sometimes fell down, sometimes fell up and
sometimes fell sideways, and everything else around us similarly behaved in a seemingly
random way, without any discernible patterns or regularities, then there might have been no
point in evolving a brain.
Let’s accept this arguable hypothesis, and suppose that somehow WAP does not
allow significant deviations of the laws of nature locally compatible with conscious
beings from the globally theoretizable form. Then, the question is: which deviations
from the existing laws are allowed by the anthropic principle? If the world is generated by chaos, all imaginable additional terms to the life-selected ones are coming
into play; the amplitude or width of the resulted deviation is limited by the anthropic
principle, but functional behavior of the deviation is arbitrary. We have some estimations about the allowed deviation in the context of fine-tuning as relative variations
of the fundamental constants compatible with WAP, and the most stringent of them
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are at the order of 10−3 , i.e. 0.1 % [11]. Since we are considering here the problem
of functional accuracy, the enormously stringent requirements on some constants,
like the initial conditions at the big bang [18], do not reduce the amplitude of these
functional variations. Thus, working on the Linde argument, we may roughly estimate the sensitivity of the anthropic selection to the relative functional variations of
the fundamental laws to not be finer than 0.1 % or so. If the laws of nature were generated by a random choice from Tegmark’s multiverse, they would be expressed by
irregular functions possibly following elegant ones within a relative width of ∼0.1 %
or more. In this respect, it does not matter whether chaos reveals itself through arbitrary functions or arbitrary mathematical structures; with Tegmark’s “mathematical
democracy” functional representatives of the two families are indistinguishable and
are dominated by extremely complicated, practically irregular functions. The elegant
formulas might be approximations to the real irregular fundamental laws with that
WAP-determined accuracy, but not better.
Moreover, measurements of the fundamental constants in this world would be
reproducible only at the anthropic level, not better. If physicists of that hypothetical
world tried making measurements of their fundamental constants at the better accuracy, they would realize that none of the measurements are reproducible at that level;
they would all contain space-time noise with a relative amplitude of 0.001, driven by
infinitely complicated terms of the true laws of nature. So, physics in that Tegmarkian
universe would be stopped at the anthropic accuracy level simply because, with the
probability of 100 %, no reproducible measurement would be possible there with
accuracy better than that.
We know though, that the real accuracy of our fundamental theories is not only
better than anthropic, but many orders of magnitude better; they are absolutely precise
on that scale. Indeed, the General Relativity test with a double neutron star PSR
1913+16 showed an unprecedented agreement between theory and observation at the
level of 10−14 . Another impressive demonstration of extremely high precision relates
to the Quantum Electrodynamics: the theoretically predicted value of an electron’s
magnetic moment is confirmed by measurements with the accuracy ∼10−11 ; see e.g.
Ref. [18]. Thus, many experiments which proved high precision of our elegant laws
of nature, orders of magnitude better than the anthropic width, show that the laws of
nature cannot be selected from all mathematical structures by anthropic requirements
only; their simplicity cannot be a consequence of their anthropic character.
This consideration shows, by the way, that cosmological chaosogenesis is a scientific hypothesis since it is falsified by observations. Note that the idea of the multiverse
was at least partly motivated by the wish to find a pure scientific explanation to the
fact of the fine-tuned universe: if our universe is the only one, its fine-tuning does
not suggest any other reasonable explanation but an act of purposeful creation. For a
single universe, its fine-tuning is too stringent for a purely scientific explanation, but
the idea of multiverse chaosogenesis, suggested as an attempt to explain fine tuning
within bounds of science, is refuted by the opposite reason: the estimated anthropic
limitations on fine-tuning aren’t anywhere fine enough to explain the experimental
confirmations of the extreme precision of the elegant forms as fundamental laws.
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Genesis of a Pythagorean Universe
167
A Pythagorean Universe
After having announced the “complete mathematical democracy” at the beginning
of his article, later on Tegmark notices that “our physical laws appear relatively
simple”. At this point, to be consistent with reality, he gives up the proclaimed
“mathematical democracy” in favor of an aristocracy of simple mathematical forms.
After such an overturn, his multiverse now has almost nothing to do with chaos;
instead, it is generated by some source of elegant mathematical forms. As a result,
“the embarrassing question” about the source of this ontological inequality of the
mathematical forms remains as it was. This contradiction of Tegmark’s “democratic”
intention with his “aristocratic” practice was noted by Alex Vilenkin [19]:
Tegmark’s proposal, however, faces a formidable problem. The number of mathematical
structures increases with increasing complexity, suggesting that “typical” structures should
be horrendously large and cumbersome. This seems to be in conflict with the simplicity and
beauty of the theories describing our world.
Since the laws of our universe are not picked randomly, they can only be purposefully chosen. Our universe is special not only because it is populated by living and
conscious beings but also because it is theoretizable by means of elegant mathematical forms, both rather simple in presentation and extremely rich in consequences. To
allow life and consciousness, the mathematical structure of laws has to be complex
enough so as to be able to generate rich families of material structures. From the
other side, the laws have to be simple enough to be discoverable by the appearing
conscious beings. To satisfy both conditions, the laws must be just right. The laws
of nature are fine-tuned not only with respect to the anthropic principle but to be
discoverable as well. Multiple aspects of this double fine tuning are discussed in
Ref. [20] and references therein. In other words, the Universe is fine-tuned with
respect to what can be called as the Cosmic Anthropic Principle: its laws are purposefully chosen for the universe to be cosmically observed. It could be even that
our laws belong to the simplest of possible sets that permit our sort of life. Would it
be possible to take any part away from our existing theories without compromising
forms of life as we know them? Such a special universe deserves a proper term, and
we do not see a better choice than to call it Cosmos or to qualify it as Pythagorean, in
honor of the first prophet of theoretical cognition, who coined such important words
as cosmos (order), philosophy (love of wisdom), and theory (contemplation).
Since chaosogenesis, being limited only by the anthropic principle, is the only
option for a completely scientific solution of the problem of cosmogenesis, its refutation entails that the problem of cosmogenesis cannot be solved within the framework
of science. Any scientific approach to that would require a specific set of axioms,
consistent not only with the anthropic principle but with elegant mathematical forms
truly underlying our world; however, we’ve shown that the question about embedment of one instead of another specific set as a logical structure of the universe cannot
be scientifically answered.
Starting with Pythagoras, it was a matter of faith for sparse groups of few people
and lonely individuals that “fundamental laws of nature are described by beautiful
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equations.” Theoretical science was conceived and nurtured by this very faith with
its “cosmic religious feeling”, which inspired scientific cognition for twenty-five
centuries. Without any exaggeration, all great theories, from those of Copernicus,
Kepler and Newton to those of Einstein and Dirac happened as guesses on the grounds
of some fundamentally simple ideas like symmetry, conservation, or equivalence.
Likewise, Wigner saw “the appropriateness of the language of mathematics for the
formulation of the laws of physics” as a miracle and “a wonderful gift which we
neither understand nor deserve” [21]. His maxim “we should be grateful for it” can
only have meaning if a mind to be grateful to is implied.
The noted forty-five orders of magnitude of scientific cognition, with more than ten
digits of precision reached in some experimental verifications, allow us to conclude
about a scientific confirmation of what was considered a matter of faith for two and
a half millennia: now it is a matter of fact that the universe is indeed Pythagorean.
In other words, the existence of the Platonic world of elegant mathematical forms
structuring the physical world is scientifically confirmed, and the accuracy of this
confirmation is many orders of magnitude better than that of any specific statement
of physics.
After two and a half millennia since its birth, fundamental science reached a
grade of maturity allowing for a dual confirmation of its faith: the Pythagorean faith
is confirmed as prophecy coming true and as a good tree that brings forth good fruit.
Three Worlds, Two Totalities
Pythagorean forms of the discovered laws of nature tell us that the ultimate goal
of fundamental physics, the theory of everything, either contains a significant
Pythagorean core, or, what is more reasonable to assume, is totally Pythagorean.
This Pythagorean core has to be powerful enough to generate a sufficiently rich set
of Pythagorean laws, as we observe, but whatever this theory of everything is, it
cannot be the ultimate answer to the question about the order of being, because this
form is special due to there being other forms, and so, like any other, it does not
constitute a totality. For laws of nature, there are only two thinkable explanatory
principles, opposites of each other, which are totalities: chaos and mind as such.
Because the logical structure of our universe can not be explained by chaos, and
because it can not explain itself, we are left with only one possible explanation remaining, that it was conceived and realized by a mind. A. Vilenkin prefers to formulate
this apparently inevitable conclusion about the cosmic Mind as a question [19]:
… the laws should be “there” even prior to the universe itself. Does this mean that the laws
are not mere descriptions of reality and can have an independent existence of their own? In
the absence of space, time, and matter, what tablets could they be written upon? The laws
are expressed in the form of mathematical equations. If the medium of mathematics is the
mind, does this mean that mind should predate the universe?
To be a complete terminus of questioning, a creative mind has to be mind per
se, or the Absolute Mind. Otherwise, questions about origin and possibility of its
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Genesis of a Pythagorean Universe
169
Fig. 1 Roger Penrose,
“Three Worlds, Three
Mysteries” [18]
mindness would require new answers. Unlike chaos, Absolute Mind as terminus
leaves room for mystery; the creativity of the human mind does as well. Where there
is mystery, questioning is inexhaustible, and the feeling of mystery instills a deep
value in the pursuit of knowledge. Contrary to this, the postulation of chaosogenesis,
by rejecting the primacy of mind, is incompatible with mystery, and so with the
value of fundamental cognition. Thus, the problem of cosmogenesis leads to a dual
mystery, one aspect of which is the Absolute Mind as the source of the laws of nature,
while the other aspect lies in a mind capable of discovering them. From this point of
view, Tegmark’s multiverse obtains a new meaning; it is a space for the search for
interesting worlds to be created, with laws open to discovery.
It seems important to mention here that chaos, refuted as a possible source of the
laws of nature, can and does participate in the physical world as indeterminism, by
means of uncertainty left by the quantum laws of nature.
The very idea of observation, being so far associated with material objects only,
is enriched by an even more fundamental meaning of the Platonic observation, i.e.
observation of elements of the Platonic world structuring the material world. Cosmic
observation is possible only due to a combined vision of both worlds. Roger Penrose
suggested the idea and the image of “Three Worlds, Three Mysteries” (Fig. 1) [18].
The three worlds, Physical, Platonic, and Mental, differ time-wise. The Platonic
world does not have any age at all; it is atemporal. The Physical world is temporal,
and its age, counted from the border of all observations, the big bang, is calculated
at 13.798 ± 0.037 billion years (note the precision!). The age of humanity as cosmic
observers is extremely short on that scale. Yet although the history of many scientific
discoveries is known minutely, and although we cannot observe anything closer than
our thoughts, the genesis of the cosmic observer remains no less mysterious to us
than the genesis of Physical and Platonic worlds.
Wonder of Pythagorean harmony of the fundamental laws of nature and continuing demonstrations of human ability to discover them so remotely from our own
natural scale leads now more than ever before to deep questions about the three
mysteries, whose entanglement and coherence are revealing the underlying Unity,
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the ultimate transcendental Source of everything existent, including ourselves, the
growing cosmic observers.
The authors are thankful to Alexei Tsvelik and Mikhail Arkadev for stimulating
discussions.
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Appendix
List of Winners
First Prize
Sylvia Wenmackers: Children of the Cosmos
Second Prizes
Matthew Saul Leifer: Mathematics is Physics
Marc Séguin: My God, It’s Full of Clones: Living in a Mathematical Universe
Third Prizes
Most Creative Presentation
Tommaso Bolognesi: Let’s consider two spherical chickens
Kevin H Knuth: The Deeper Roles of Mathematics in Physical Laws
Tim Maudlin: How Mathematics Meets the World
Lee Smolin: A naturalist account of the limited, and hence reasonable, effectiveness
of mathematics in physics1
Cristinel Stoica: And the math will set you free
Ken Wharton: Mathematics: Intuition’s Consistency Check
Derek K Wise: How not to factor a miracle.
Fourth Prizes
Alexey Burov, Lev Burov: GENESIS OF A PYTHAGOREAN UNIVERSE
Sophia Magnusdottir: Beyond Math
Noson S. Yanofsky: Why Mathematics Works So Well
Nicolas Fillion: Demystifying the Applicability of Mathematics
David Garfinkle: The Language of Nature
Christine Cordula Dantas: The ultimate tactics of self-referential systems
From the Foundational Questions Institute website: http://fqxi.org/community/essay/winners/
2015.1
1 This
essay is not included in this volume.
© Springer International Publishing Switzerland 2016
A. Aguirre et al. (eds.), Trick or Truth?, The Frontiers Collection,
DOI 10.1007/978-3-319-27495-9
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250
Appendix: List of Winners
Special Prizes
Non-academic Prize
Philip Gibbs: A Metaphorical Chart of Our Mathematical Ontology
Entertainment Prize
Ian Durham: The Raven and the Writing Desk
Creative Thinking Prize
Anshu Gupta Mujumdar, Tejinder Singh: Cognitive Science and the Connection
between Physics and Mathematics
Out-of-the-Box Thinking Prize
Sara Imari Walker: The Descent of Math
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