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Questions tagged [cosmology]

The tag has no usage guidance, but it has a tag wiki.

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Do Stephen Wolfram and Gerard 't Hooft propose that literally every Cellular Automata is a universe?

Both Stephen Wolfram and nobel laureate Gerard 't Hooft think that the universe is a Cellular Automata. As far as I know, 't Hooft developped a series of frameworks to build different models of ...
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1answer
65 views

Does Gregory Chaitin propose a computable or an uncomputable ontology?

Gregory Chaitin is a mathematician who thinks that the universe is itself a computer, or similar... He has written papers closely related to the field of hypercomputation (For example, he invented ...
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32 views

Is it there any well known model/theory/interpretations where the whole universe is treated as a neural network?

I was looking for well known models/theories/interpretations in physics that would treat the whole universe as a neural network, do you know about any? I've heard about Hava Siegelmann's model, but ...
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Did Wheeler's “It from Bit” allow inconsistencies to exist?

Physicist John Wheeler proposed a model of the universe based on "It from Bit" asserting that the world is fundamentally information. I've been told both that Wheeler's It from Bit is compatible with ...
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3answers
80 views

Is possible to define “time” without the concept of “space”? [closed]

Time and space are related concepts but maybe if you consider other philosophical categories there are other ways to define time.
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132 views

Multiverse and the anthropic principle?

I put this question here since the anthropic principle is more a philosophical argument than actually a physics concept, so I thought that since this may not have much to do with mainstream physics ...
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1answer
131 views

Examples of theories that assume the existence of an “External Reality”?

In this paper written by physicist Max Tegmark (https://arxiv.org/pdf/0704.0646.pdf) it talks about "External Reality Hypothesis". Specifically, he says: Although many physicists subscribe to the ...
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1answer
240 views

Is it there any model of the universe (considered by physicists) which would be the product of a simulation?

There are various philosophical theories that propose that the universe is the product of a simulation. But I was looking for theories that propose this and are also considered by physicists (not only ...
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Does Tegmark's hypothesis include dynamical mathematical structures?

Tegmark's hypothesis is the idea that mathematical structures are physical and thus have physical existence (https://en.wikipedia.org/wiki/Mathematical_universe_hypothesis) Zuse's thesis says that ...
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1answer
183 views

Can our universe be a pocket in a bigger unseen eternal universe?

Taking time as a fourth dimension is due to Einstein because of the speed of light being fixed. But why should such a finding have so important consequence on our philosophical contemplation of ...
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4answers
284 views

Is the Kalam cosmological argument scientifically provable?

Kalam Cosmological Argument: (1) Everything that has a beginning of its existence has a cause of its existence. (2) The universe has a beginning of its existence. Therefore: (3) The universe has a ...
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4answers
282 views

Can many worlds interpretation have universes with different laws?

The Many Worlds Interpretation of quantum mechanics is classified by Max Tegmark as a level-3 multiverse hypothesis. This means that in the universes that it will predict, there could be different ...
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168 views

Are uncomputable numbers/things a problem for Wheeler's “it from bit”?

I have some questions related to Wheeler's ideas of "It from bit" and "Law without law" In summary, these both theories postulate that there was an initial universe with no laws from which laws of ...
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0answers
107 views

Can Schmidhuber's hypothesis reproduce all types of universes? And Wheeler's it from bit? Or Weizsäcker's ur-theory?

I found a paper that talked about paraconsistent logic systems (https://en.wikipedia.org/wiki/Paraconsistent_logic) and trivialist systems (https://en.wikipedia.org/wiki/Trivialism) and the ...
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9answers
565 views

How can God be temporal if he never began?

I was reading through this article and it says: What may be the dominant view of philosophers today is that he is temporal but everlasting; that is, God never began to exist and he never will go ...
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3answers
154 views

Cosmology - What are the problems with the theory of Eternal Return?

I have been thinking of Niestzche's Eternal return theory and how it could be possible that everything we do and our entire history and the universe will be repeated exactly the same again, and again ...
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10answers
377 views

How is it possible for an infinite number of moments to have elapsed prior to now?

In the context of the cosmological argument: How is it possible for an infinite number of equal length moments to have elapsed prior to now? For more context . . I have read several discussions, ...
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1answer
246 views

Questions about Frank Tipler's Omega Point theory?

He defends in that theory that God could become real, but that he would be limited. He wouldn't be strictly the same God as the one in classical religion. He couldn't do/know the physically and ...
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1answer
966 views

What is the origin of the symbols for the four elements used in alchemy?

Alchemy uses the following symbols for the four elements that appear in a number of classical cosmologies, namely fire, earth, air and water (I have added letters to show which is which): The symbols ...
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2answers
108 views

Luck of certainty

Title may be bit confusing but let me explain. Our existence depends on very small possibilities as a person and as humanity. There are billions of planets without any living thing but there is life ...
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2answers
257 views

Can order come from chaos?

I've been considering the idea that matter, or some material substance, has either always existed, or just began to exist because it's necessary that it exist. In either event, it was chaotic, ...
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4answers
375 views

Logical proof of the existence of other dimensions

I'm new to the forum, I'm not a philosophy student, I'm an engineer of sorts. I was struck the other day by a thought after reading several unrelated posts here. Given that : 1) Infinity exists for ...
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4answers
287 views

Can Resurrection and Reincarnation be reconciled?

Many philosophies and religions adopt either reincarnation (in cyclic creation) or resurrection (then final judgement then eternal life in paradise or hell). Is there a philosophy or a religion which ...
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5answers
814 views

Has religion adapted to modern cosmology and if so how?

I wonder how existing major religions follow modern cosmology. Is God a god of the planet Earth, or of the whole solar system, or of the entire universe? If he is the god of the whole universe, is he ...
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2answers
264 views

Does cosmological argument prove that anything that exists has a cause of its existence?

Does the cosmological argument "prove that anything that exists has a cause of its existence", or is that just a premise of the argument?
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2answers
652 views

Why is aidios, aionios, and aion translated eternal in Plato's Timaeus?

Plato's Timaeus.... When the father creator saw the creature which he had made moving and living, the created image of the eternal (aidos: imperceptible) gods, he rejoiced, and in his joy ...
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2answers
175 views

How the air and earth elements have been seen in several cosmologies?

In the classical philosophy, air is hot and wet, while earth is cold and dry. In the Indian teachings, both of these are rather cold; air is dry and earth is wet. These are merely examples. I'd like ...
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2answers
155 views

Does physical cosmology imply ontological dualism?

This question has to do with scientific claims about the universe and could be asked in a number of ways. To my own very imperfect understanding, claims about "the universe" cannot be scientific ...
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3answers
247 views

What are the relationships between the classical elements?

I cannot find in sources of Empedocles the actual relations between all of the 4 elements. He stated that everything is in some relation to each other as being in love (i.e. positive, attracting) or ...
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2answers
275 views

If X cannot emerge from nothingness, must X's existence be the decision of a Creator? [closed]

Laurence Krauss wrote a book titled "A Universe from Nothing" explaining how the Universe might have began. In this book Krauss does not address why the laws of physics exist, why they have the form ...
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9answers
528 views

Does refuting the fine-tuning argument for the existence of God necessarily require belief in a Multiverse?

The fine-tuning argument for the existence of God is based on the fact that certain physical constants can only have very specific values for life to exist in the universe. If there was even the ...
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6answers
219 views

Isn't anti razor as valid as Occam razor in explaining the Universe and things in it? [closed]

I give an example where this question is important: There are 2 explanations of how the Universe came into existence: The Universe come out of nothing or something similar to nothing like quantum ...
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2answers
266 views

The Copernican Principle and the Giant Void [closed]

Daniel Holz writes on a popular science blog Cosmic Variance:"The Copernican principle is a guiding foundation of cosmology. In short, it states that we are not in a privileged place in the Universe. ...
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5answers
735 views

What is nothing?

In Lawrence Krauss' book A Universe From Nothing he portrays "nothing" as a physical state. He says that nothing is found by removing all of what we know to be things (particles, electrons etc). I've ...
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0answers
63 views

How to refute this argument that says the universe didn't begin to exist?

What arguments could be brought forward against the following argument? Everything that had a phenomenal start did not begin to exist. Universe has a phenomenal start. The universe did not begin to ...
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4answers
392 views

Does a beginning imply an ending? (In regards to the universe)

In regards to the universe if it said to have a start (Beginning) does that imply that it will have an end? Are beginning and ends implied when either ones is said to be true of a proposition or can ...
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12answers
2k views

How could our universe suddenly appear out of nothingness?

How could our universe suddenly appear out of nothingness? I understand that the big bang created all things but how could it when nothingness is purely the absence of everything?
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4answers
448 views

Flawed argument involving anthropic principle?

In his book Time Reborn: From the Crisis in Physics to the Future of the Universe theoretical physicist Lee Smolin takes a shot at the anthropic principle. He is not in favor, because the principle ...
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2answers
182 views

According to Wikipedia, science can be divided into empirical science (such as natpirical s

According to Wikipedia, science can be divided into empirical science (such as natural science and social science) and formal science (such as mathematics, logic, statistics). I was wondering if ...
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4answers
277 views

What is a miracle, and why should it influence our metaphysical beliefs?

There's a question on this site regarding what a rational person should accept as a miracle, but the question and its answers seem to take the definition and categorization (as well as consequence) of ...
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3answers
529 views

Can there be Creation Ex Nihilo?

In Christian & Islamic Theology, one could argue that there can't be Creation Ex Nihilo since 'before' Creation there was God. In Philosophical Naturalism (which is not Physicalism - it subsumes ...
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1answer
133 views

What makes primitive cosmology primitive?

In Mary Douglas's Purity & Danger, she reports that the anthropologist Vansina recalled affectionately three very independent thinkers he found amongst the Bushong, who liked to expound their ...
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2answers
1k views

Can Something Exist in Nothing (Outside the bounds of our Universe)?

I have always been intrigued by cosmology and the idea that there is a possibility that absolutely nothing exists beyond our universe. Now I know that there are many theories regarding the universe (...
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3answers
321 views

GUT and TOE as Fallacies of Misplaced Concreteness?

A.N. Whitehead warns in the introduction to Process and Reality, that the “chief error” of Western philosophy is “overstatement.” He states: “the aim at generalization is sound, but the estimate of ...
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0answers
105 views

Is the cosmological principle empircally compativle with the concept of relativity?

OK...before everyone blasts this with references to the relativistic invariance of the physical laws, time dilation, etc let me add some context. Also, I am an amateur with an interest in physics, so ...
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4answers
1k views

What is the argument in this Paragraph

What is the argument in this Paragraph (Aquinas's Five Ways): The fifth way is taken from the governance of the world. We see that things which lack intelligence, such as natural bodies, act for an ...
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2answers
243 views

Is a theory of physics possible with no constants?

The Standard Model of Physics has a number of constants. Obviously the fewer the better - simply in terms of there being less fundamentally inexplicable constants to explain. It seems to me, in as ...
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2answers
189 views

Can the fine-tuning problem be finessed out of existence via the multi-verse?

The standard model has a number of constants whose specific values are under scrutiny. The fine-tuning problem is that these constants must be a very narrow range for the universe to exist in a real ...
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1answer
235 views

Should Time and Space Serve as Necessary or Contingent modalities of Division in Cosmology?

In the introduction to Process and Reality, Whitehead criticizes the tendency to posit logical or ontological necessity as the primary modes of cosmological explanation. For Whitehead time is a ...
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2answers
210 views

Is a void where the laws of physics hold actually a void?

I don't have much background in Cosmology, but an argument I've heard is that the universe sprang into existence from the void via a quantum fluctuation. That is both spacetime & its matter/energy ...