Questions tagged [philosophy-of-physics]
If your question is more physics and less philosophy, consider asking it on Physics.SE (possibly with the soft-question tag).
283
questions
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37 views
What is epistemic probability?
I have read that there are three types of probability: epistemic, credence and physical. It is not clear at all to me what are epistemic probabilities and how they differ with credence. Moreover, I am ...
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0answers
43 views
Particle ontology and quantum fluctuations
I have been reading about ontologies in quantum physics recently and I came across Bohmian mechanics.
If I understood it correctly BM endorses Particle ontology.
Particle ontology claims that point-...
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2answers
171 views
Examples of physicists who are platonists?
Max Tegmark is perhaps the best example, with his idea which basically proposes that every mathematically possible universe exists.
Are there any other examples of physicists with a similar line of ...
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1answer
69 views
Has Edward Witten made any theory or model that proposes that all mathematically possible universes exist? [closed]
Physicist Max Tegmark proposed that every mathematically possible universe exists 1. According to Tegmark himself, when he published such ideas, he received mostly positive feedback from Edward Witten ...
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1answer
69 views
Are physicalists at all in agreement what happens to conciousness if the rate of time is changed?
For the sake of ease of imagination, maybe it's good to use a Machian defintion of time, time is the relative configuration of all physical bodies+fields. I also want to be agnostic about the flow of ...
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0answers
53 views
Does Shape Dynamics use Space relationalism?
(Already posted this on Physics Stack Exchange, hope it's okay)
On Wikipedia it says Shape dynamics is an implementation of Space relationalism however I don't see how this can be true.
In general ...
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2answers
151 views
Is String Theory compatible with Presentism?
Maybe if it was formulated using Neo-Lorentzian interpretation of Special relativity instead of Minkowski spacetime? I don't know
Thank you for answer!
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2answers
181 views
Scientists do not know why speed of light is the same for all observers? [closed]
It has taken me sometime to even understand what this speed of light is all about.
I have simply heard that the speed of light is constant in all inertial or in all reference frames without really ...
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2answers
92 views
Since spacetime can bend and form waves, does this mean it must be made of sub-units of matter? How can something bend if it does not have sub-units?
I posted this question in Physics StackExchange, but it was closed because it was considered "non-mainstream physics", not sure why. Here's the description I wrote for it:
My question is ...
3
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2answers
256 views
Quine's naturalism and the interpretations of Quantum Mechanics
I am wondering what does Quine's naturalism amount to. Specifically, Quine believes that our best scientific theories tell us what exist. This means that science determines our ontology.
In the case ...
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0answers
58 views
Opposing Wolfgang and the species
I've read some summaries of Smith's thinking, which I haven't yet adhered to, here
The aim of philosophy is the good life or the best regime, the aim of theology is knowledge of God, and that of ...
2
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1answer
261 views
Working in academic philosophy as a physicist
I'm a theoretical physicist who largely works in areas relating to gravity. I also have some formal training in (philosophical) logic from taking some grad level classes. Other than that, though, I ...
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2answers
107 views
Space and time in Kant and space and time in physics
From the Kantian perspective, what would be the relationship between our intuitions of space and time (which form the structure of subjective experience and are not things that exist outside of human ...
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1answer
96 views
How can we formally define the laws of a physical universe?
Have any philosophers come up with a workable formal, mathematical definition for what the laws of an arbitrary physical universe might be? Such a definition would need to allow specification of ...
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4answers
143 views
Can there be different laws of physics which hold elsewhere?
Can the laws of physics change from time to time or place to place? My argument is that they can't, simply by definition. Because, by definition, the laws of physics are statements which hold true ...
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1answer
171 views
What is the best way to model reality if it is a simulation?
Erwin Schrödinger proposed the quantum mechanical model of the atom, which treats electrons as matter waves.
So...
Quantum mechanics is a model, but it was not created on the assumption that the ...
1
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1answer
85 views
Why is there a (modern) debate between absolutists and relativists in (neo-)Newtonian spacetime? [closed]
I'm reading "Time and Space" by Dainton, and it gives a lengthy discussion on the different views on Newtonian and neo-Newtonian spacetime, arguing that absolutists and relativists (or ...
1
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2answers
352 views
Did the past occur or is it occurring relatively, and will the future occur or is it occurring relatively?
Did the day I was born occur already, or is it occurring relatively to me in the past?
Will the day I die occur or is it occurring relatively to me in the future?
I know that some physicists are ...
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3answers
238 views
Why is the universe governed by very few laws of high generality instead of lots of particular ones?
The universe has a very wide variety of phenomena.
However, there is not, similarly, a zoo of physical laws. Instead, it appears that the universe is governed by a small number of laws that are valid ...
1
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2answers
105 views
Is Fourier transform a human made tool or an act of nature? [duplicate]
I am a PhD students in physics, and my father is a Math researcher. One time, I asked him
"Doesn't the fact that we can use math to explain things that happen in front of us, tell us that math is ...
1
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3answers
234 views
Are some mathematical truths contingent on the laws of physics?
Are there at least some mathematical truths that would have been different had the laws of physics been different? Probably most mathematical truths would not change, but are there some that would? Or ...
0
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1answer
85 views
Is there a difference between 'exists' and 'theoretically possible'?
For the purpose of this questions let's assume that the physics of our universe can be fully described by a complete non-contradictory theory (i.e. that theory of everything exists). Then our universe ...
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2answers
190 views
How touch occurs in a simulation hypothesis or in a brain hypothesis in a vat?
The point is that it doesn't matter whether these hypothesis are correct or not. The only thing that worries me is how the touch happens if in the real world it is the interaction of atoms (in ...
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0answers
148 views
Theory of Everything: simple but repetitive or complicated by efficient?
Which of the following criteria is more persuasive for choosing a Theory Of Everything:
A very simple theory that requires an enormous amount of calculation to compute the universe (e.g. 10^(10^(10^(....
8
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4answers
2k views
A distinction between knowledge of laws of physics and the actual laws
What exactly is a law of physics? Suppose, for an hypothetical example, that high-energy light travels ever-so-faster than low-energy light. Then it would turn out that in fact light does not always ...
4
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1answer
224 views
Is probability in classical physics always bayesian?
I am wondering how probability is intended in classical physics. I have read a number of articles where it is said that probability in classical physics is generally intended in subjectivist terms as ...
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1answer
122 views
What exactly is Time and Space? [closed]
Question description so that anyone can evaluate and answer accordingly
I don't know what is the formal process for a theory to get accepted by the science community, please guide me on how to proceed ...
1
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1answer
152 views
Why is time travel not possible at all?
Time: It is a mathematical dimension to measure the change of state (any motion) of Existence (includes universe/multiverse/entire creation).
In order to travel in Time, one has to change the state of ...
3
votes
1answer
252 views
Physics, "the beginning of time" and common sense
If we accept the result of big-bang theory that time does not indefinitely extend back in the past, how can this result be smoothly integrated with the common-sense view that for every time-instant ...
1
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1answer
103 views
Mathematical Analyticity Within Context of Physical Theory [closed]
Postulate: Mathematics is constructed. We construct the syntax, grammar and assign semantics to mathematical statements artificially.
Lemma: There is no constraint on what constructed mathematical ...
2
votes
2answers
136 views
Do really all mental states exist in some universe according to Many-Minds Interpretation?
According to the Many Minds interpretation of quantum mechanics (https://en.wikipedia.org/wiki/Many-minds_interpretation), the distinction between worlds in the Many Worlds interpretation should be ...
0
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1answer
121 views
Is information the foundation of reality? [closed]
More and more philosophers and scientists speculate that the basis of reality could be information, however there is something that does not come back to me in this line of reasoning: information is a ...
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1answer
208 views
Validity of physical laws and observation
I am placing this question on philosophy stack exchange because a mathematician wouldn't care, and a physicist would be extremely insulted.
Consider Newton's Law F=ma. First, I am observing this as ...
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1answer
96 views
Non-Computability And Randomnes
I once thought (tweeted) that physics is 'explaining the explainable (computable) part of the universe' as the rest can be seen as random. Now I'm not sure about this anymore.
The simplest example ...
2
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2answers
127 views
How/Why is the explanation/prediction of physical phenomena not deductive?
Why is the explanation of the triboelectric effect or the electrostatic effect(indicative examples) not deductive?
How so we have a set of premises and from them follows the conclusion which is what ...
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0answers
74 views
Axiomatic system and symbolic, formal, mathematical language
Is there any need for axiomatic systems to be in a symbolic, formal, mathematical language?
Equivalently is there any prohibition of axioms in axiomatic systems being in natural language?
In other ...
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0answers
44 views
Methodological universalities in Physics
Is there any methodological characteristic universal in Physics?
Even if some branches of Physics lose their reproducibility, their experimental testing, their deterministic predictivity isn't some ...
0
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0answers
335 views
Relation of reproducibility and the lack of contigencies with the scientific method
What is the relation of reproducibility and the lack of contigencies with the scientific method?
Quantum mechanics and Statistical physics/mechanics are vurnerable/suspectible to contigencies. We ...
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6answers
459 views
Is the idea of a causal chain physical (or even scientific)?
I am aware that the idea is venerable, going back through Lucretius to the Stoics and Epicurus, and even to Aristotle with his prime mover argument. But isn't this a pre-scientific notion? The ...
0
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4answers
132 views
Why Are Physical Observations Mathematical?
Why does Newton's law of gravitiation look the way it does? Why is the Gravitiational Consntant this specific value? Why do Maxwell's Equations look the way they do? Why is it that abstract quantities ...
2
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1answer
104 views
Would it be trivial to think the physical as those entities which are necessary for a maximally complete physics?
I've been studying physicalism for a presentation I'll be doing on Shelly Kagan's book Death. One of the slides is on its problems, and one of those problems is that we don't have a clear definition ...
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2answers
196 views
Why is it not necessary to to tell what force is?
In his book, "Science and Hypothesis" on page no. 98, Henri Poincaré write on subject of defining force:
[.....When we say force is the cause of motion, we are talking
metaphysics; and this ...
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2answers
198 views
About Wigner's view on the relation between mathematics and physics?
Physicist Eugene Wigner argued 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
...
3
votes
1answer
224 views
Did Stephen Hawking think that logic is contingent on physics?
According to this book*: Extrasensory Perception: Support, Skepticism, and Science, it says that Stephen Hawking thought that logic was contingent on physics, i.e that logic depends on the physics of ...
3
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2answers
237 views
Physical correlates of consciousness
The term neural correlates of consciousness is well established (~ 277,000 Google results, one Wikipedia article), but I'd like to ask for more general physical correlates of consciousness (~ 6,000 ...
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3answers
103 views
If Newton's Principia / similar does not impose a rigid approach, then is physics rigorous?
I read from the Wikipedia site regarding the concept "paradigm" that:
The Oxford Dictionary of Philosophy attributes the following
description of the term to Thomas Kuhn's The Structure of ...
2
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0answers
67 views
Did physicist Erwin Schrödinger propose that reality could have contradictions?
Did Schrödinger believe that contradictory or inconsistent things could exist in reality?
Was Schrödinger some kind of dialetheist?
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0answers
98 views
What were the arguments Hawking considered naive against imaginary time?
background
So I recently I read this.
I believe that you are correct; I think an inclusion of that might
make the article a bit clearer. Hawking used that explanation to
rebuke a naive ...
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0answers
37 views
Non-demarcation between internalist and externalist accounts?
Question
Are the internalist and externalist accounts of perception such as vision possible?
Background
Philosophers distinguish internalist accounts, which assume that
perceptions of objects, ...
1
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1answer
169 views
What does it mean to say that physics is a 'masculine' subject (in the West) and not in Palestine? [closed]
According to Dr. Kate Shaw, a British physicist:
It is a known phenomenon in the Arab world that the number of women studying physics surpasses that of men, and in Palestine, I saw this most ...
