Questions tagged [universe]

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Has any physicist advocate for both Putnam's thesis of “Logic is Empirical” and the Multiverse?

Philosopher Hilary Putnam proposed a very interesting thesis 1, advocating that Logic itself may be empirical. I have found another interesting article 2 by the physicist Matthew S Leifer where he ...
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176 views

Is it possible philosophically that the entire cosmic void with one or more universe/s inside it will stop exist eternally?

As a conscious agent who suddenly appeared in this cosmic void as a child to my parents and got a consistent memory since about the age of 3; With time I have learned of the question "why is there ...
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3answers
474 views

Would it be logically possible that the Universe has a beginning in time but an infinite amount of time has elapsed since this beginning?

Imagine that the Universe had a temporal beginning but no temporal end. At the beginning the Universe has a finite size, and as time passes its size increases exponentially. And the number of ...
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315 views

Are there universes where rules of mathematics do not follow?

According to Max Tegmark the ultimate reality is the Mathematical world. Mathematically possibility also refers to physical possibility. Can there be such a type of universe where mathematical ...
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3answers
229 views

Is this a good reasoning? That 3D Universe is shadow of 4D Universe [closed]

It may sound crazy but, in this 3D world there is nothing 2D, other then our shadow. Is it good to say that the shadow of 3D object is 2D, then shadow of 2D object would be 1D. Hence this 3D universe ...
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2answers
135 views

The passing of time

Did the passing of time come before everything else? As in, how long was there "nothing"? And if we can put a time on that, wouldn't time itself be something? And if so, is time the thing that "...
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1answer
266 views

Deterministic or stochastic universe?

Just a little bit before my graduation from computer science, I attended a course about computational intelligence, and my professor then challenged us to debate on whether the world/universe follows ...
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1answer
108 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 the ...
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1answer
77 views

Can the height in another dimension look different from different dimensions? [closed]

Can the height in another dimension look different from different dimensions that we know? For example, can the width looks different than we see it?
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1answer
89 views

Is it there any specific and well known continous/analog alternative to Wheeler's discrete “It from Bit”?

Physicist John A Wheeler (https://en.m.wikipedia.org/wiki/John_Archibald_Wheeler) suggested the concept of "law without law" and "it from bit" which suggested that the universe did not have any laws ...
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Mathematical Universe

I have a beginner question on the type of claims this book or similar theories make. That book claims that universe is math structure. I just want to clarify if I correctly understood his goal: Does ...
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1answer
142 views

Cause and Effect - Finished infinity [closed]

I have a question it's best if I give you an example right away. Our universe has its limits. in terms of the effect or cause e.g. if we kill a human for some reason will also have the effect. I'm ...
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82 views

Can a different universe be built with three dimensions? [closed]

Can you theoretically create a universe that will have the same dimensions but will look different? For example, a paper that has a limit, or another similar dimension can it be different?
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250 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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274 views

Can the Universe Be Infinite?

Some think that the universe is infinite. To convince one in the creditability of the idea they point mainly at our inability to conceive of its spatial limits. Hence, here, I use 'infinity' (of the ...
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2answers
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Is it possible to mathematically define a hypercomputer-universe where things that could not be computed by it could exist? [duplicate]

There are a few physicists that propose that the universe is a hypercomputer. One example is Roger Penrose, who, basing in his quantum interpretation (https://en.wikipedia.org/wiki/...
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Does the idea that universe obeys logical laws paradoxical?

Sorry if this is the wrong place, I've asked this question elsewhere, and I've been told this place is better for this. Here is the idea: The universe obeys logical laws or it does not. If it does ...
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2answers
316 views

Is it light that is first or darkness? [closed]

A friend asked about what the existence of darkness in the universe is, and that it's white light instead of darkness. And I said if the universe was only white, how can you see all the planets or a ...
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1answer
337 views

Pandeism vs. Atheism vs. Darwinism: Do they achieve the same result?

Is there any conceptual difference between "Pandeism" and "Atheism" and "Darwinism"? It seems they achieve the same result about the universe's creation. I mean Pandeists achieve the same result ...
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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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2answers
673 views

What is the most basic thing? [closed]

I wanted to know that what is the most basic or the basicestest thing that makes up the universe? Just like a wall is made up of bricks and bricks are made up of atoms and atoms are made up of ...
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2answers
93 views

Are all unobservables in physics very small?

Are all unobservables in physics very small? I think I've read that the interior of the sun is an unobservable, and so entity realists like Ian Hacking have to claim we can't know anything at all ...
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2k views

What would a fractal universe tell us about Time?

To begin with let's look at what is known as the coastline paradox. Briefly it goes like this: If you measure the circumference of Britain with a 1km long stick, and then do the same with a 100m long ...
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305 views

Are There Alternatives to Determinism and Stochasticism?

From my physicist's point of view, there are basically two ways of seeing the world: The world can be fundamentally deterministic or fundamentally stochastic (see also indeterminism). I believe that ...
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1answer
116 views

Is there the creator overseeing us all. How does He do that? [closed]

Is there the creator overseeing us all. How does He do that? Is that possible due to His omnipresence and being independent of 3+1D (x, y, z, ct) limitations? My previous question and related to ...
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5answers
338 views

What pushes life to live?

I tried to word the question differently from all the "why does life want to live" questions on the internet. My question is not about the mental consciousness of being alive, but more about the ...
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4answers
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How is the “I” the universe?

I have heard a lot of remarks claiming that the "I" is the universe. I understand that we are all part of the universe. But how AM I the universe? Some take it even further and claim that the "I" is ...
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4answers
182 views

Has the universe no identity?

1) A thing has an identity if there's something else delimiting and defining it. 2) The universe (intended as the totality of things) has necessarily no identity, because being the totality of things,...
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4answers
631 views

If the Universe(s) didn't exist, Would all maths still exist?

Many scientists say that maths transcends creation, the future, it exists for all time. For example the Mandelbrot is just an equation that can still exist when the universe goes cold. Because I don'...
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2answers
64 views

Infinite realities: Theoretically if the sun burned out or if all resources were used up, in another universe could it have not happened at all?

This is assuming that infinite realities exist. I have no physics or philosophy background, I am writing a science fiction novel. That being said, please dumb down your answers for me.
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247 views

Is time more “real” than math and, if so, why?

How is time different from math? Is time a part of math? For me time is like math rather than a "real" thing. Time is just a tool rather than a "fundamental thing". I feel confident saying that an ...
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4answers
3k views

Is it possible that we are stuck in a loop of endless life?

There are three assumptions for the question. 1) The flow of time is permanent. 2) The universe is repeatedly destroyed and recreated. 3) The initial physical structure of a brain at birth determines ...
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4answers
326 views

Theory of everything and God

I always reach this point when I think about physics and God: Assume that a theory of everything is found. And this ToE is a successful mathematical description of the entire universe. EDIT: By "...
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1answer
73 views

Isn't the universe a hypocrite? [closed]

The universe, throughout its existence, seems trying to minimize all the things (or trying to find most simple/easiest state/way or Nash equilibrium, whatever you call it). According to the second ...
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2answers
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Are fate and the power to choose two separate dimensions?

It seems that we can say that we are completely governed by the universe but then at the same time step into a state of freedom to choose and have the power of will. How is it possible that both ...
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1answer
331 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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is this universe flat world?

Could hypothetically, our 3d world be analogous to flat world? Could gravity be a 4d machine and our 3d plane unable to see the parts of the 4d machine? What critical thinking can be used to study ...
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why didn't Void remain as Void forever? [duplicate]

Before the Universe.. it was always void. Void has no beginning. In-fact only Void can have no beginning. Because only something that does not exist... can be beginning-less. the question is.. why ...
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3answers
475 views

Is it certain that aliens exist in an infinite universe?

Suppose we have an urn that contains infinitely many balls with different colours. Black balls are very common, and white ones uncommon. We do not know exactly how uncommon white balls are. However, ...
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2answers
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What's the role of “idealistic” philosophies of well-regarded scientists?

What's the role of "idealistic" philosophies of well-regarded scientists such as Max Tegmark's "Mathematical Universe Hypothesis"? https://en.wikipedia.org/wiki/Our_Mathematical_Universe It has been ...
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5answers
737 views

Why does anything happen?

Intuitively, stuff happens because we decide it should happen. If you don't do anything, nothing will happen. And your decisions come from your concsiousness. However, in the Universe, things are ...
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2answers
178 views

Is it, a priori, more likely that an unknown object does not exist than that it does?

For me, intuitively the answer seems to be yes. But I don't know how this could be justified a priori. The hypothesis "x does not exist" seems not to be simpler than the hypothesis "x exists". By the ...
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1answer
290 views

Is it logical to say the universe is omniscient/ omnipresent? [closed]

If the universe encompasses all of causality does it contain all knowledge within in, and furthermore exist in all aspects of it? Or is there a paradox that limits its ability or a contradiction you ...
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Have I found a paradox, or is the universe digital? Or am I just plain wrong? [closed]

If the universe is analog, there must exist an infinite number of positions. This raises an interesting question. Let me boil it down to something familiar: a table and an ashtray. I'll let the ...
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6answers
2k views

Does all matter exist forever?

I was reading about non-duality (spirituality / philosophy) that discusses the idea that everything in reality is one, since any matter can become any other matter, (a tree can become a chair and a ...
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5answers
408 views

General question about our universe, mathematics and physics: Why is 1+1=2?

Although everyone is surely wondering about this question, I am asking it here though: Why is 1+1=2? Why is our universe build up like in that way, that such a formula is always working? (I know the ...
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4answers
426 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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6answers
9k views

Is it possible that I'm “God” or a special being/deity?

I know the first thing you may be thinking upon reading this, but there's more to this than you may have assumed. This is not one of those crazy questions where ego-driven maniacs simply call ...
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5answers
126 views

Can one not know if they are lying to themselves?

The notion is that one is believed to be lying regarding something they refuse is true -- or in other words "lying to themselves" really means telling yourself something that isn't true when you know ...
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Has anyone described what the universe must be like for agent-caused free will to be possible? [duplicate]

Let's define free will as the ability for a human being to make a choice that does not completely depend on the history of the universe. The universe may be assumed to be indeterministic. Any simple ...