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By Einstein's definition, time is what clocks measure – but how can we define “clock” without referring to time? This tag is for such philosophical questions about the many unresolved issues concerning time. Though this includes questions about the interpretation of physical theories and concepts, ...

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Is perception of time completely subjective?

I know that if you are into an interesting activity time seems to pass very quickly, whereas the opposite happens when you're bored, but that's not what I'm asking. Imagine conducting an experiment ...
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1answer
34 views

Is information causal?

I am coming to this question in response to scepticism about emergentism as more than an overlay (eg. SEP article). Entropy is well established as related to relative information about systems, and ...
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1answer
84 views

Time - Does the Big Crunch mean our existence would be cyclical?

Given Nietzsche's Eternal Return philosophy, would the Big Crunch mean that our existence is cyclical, and therefore coincide with Eternal Return philosophy?
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1answer
97 views

If time is going to end, then did it have a beginning? How do we know time will end?

Why do most physicists believe time is finite? What proof do we have that time is not infinite and therefore will never end? And how can 'time' actually come into existence if something coming into ...
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52 views

Philosophy - If Space and Time are infinite and therefore infinite copies of us would end up existing, then wouldn't we still be gone after we die?

I have a question pondering in my head that if Space and Time are infinite, then does that mean that Nietzsche's Eternal Return theory is true in the way that my life would recur that when 'I' ('I' ...
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1answer
51 views

Philosophy - Is Nietzsche's Eternal Return theory true?

Is Nietzsche's Eternal Return theory true? I am extremely worried that it is because of the very likely fact that Einstein's Block Universe theory is true, and what renders Einstein's Block Universe ...
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1answer
88 views

Philosophy - Does Einstein's Block Universe theory prove Nietzsche's Eternal Return theory is true?

If the Past, Present, and Future all exist in exactly the same way, then every single moment would be a ‘Now’ moment for me. it would also mean that me being dead in the future is equally real in the ...
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1answer
73 views

Philosophy - If both the Rebound Universe and Block Universe theories are true would that mean Nietzsche's Eternal Return theory true?

If the Block Universe is true, and if the Rebound Universe is also true where the universe goes from Big Crunch to Big bang then doesn't that mean that the Block Universe is shaped like a circle where ...
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2answers
134 views

Philosophy - Does the block universe theory of time mean that life will repeat after death?

I have suffered severe anxiety, sadness, regret, and depression since I was 13, I had 2 trapped-feeling panic attacks when I was 13 I am now 17 and fighting off frequent urges to have a trapped-...
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3answers
153 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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3answers
86 views

What's wrong with the following argument regarding temporal limits?

Let us suppose there is a limit: you cannot buy something after 10:00PM. From the position of law, of course "cannot" must be taken directly. But from the position of common thinking, people are less ...
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1answer
91 views

Time Travel and Virtual Particles correlation?

Virtual Particles in Quantum Physics are particles that can form in any place, including a vacuum, and are created in a pair of particles opposite each other, and are usually eliminated. When these ...
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5answers
135 views

Any good theories on the nature of time in which time is not fundamental?

I've noticed that most of the very successful formulas in physics, once you break them down, contain several references to quantities of time. And it has really begun to bother me that once you start ...
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1answer
57 views

Is there a theory in philosophy that time can be reduced to causation?

Some people really believe that the past somehow physically exists even if it's past. Like the universe has some kind of container where all its past states are stored. On the other hand, there are ...
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15answers
15k views

Being alive today: the most improbable coincidence?

Think about it; modern humans have been around for at least a couple hundred thousand years. Yet, your mind, your soul, your very awareness, happens to be "alive" today. If time is a flow, moving ...
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4answers
153 views

Why must everything have an origin, but not an ending?

I came across this thinking today when I was reading some evolutionary biology writings. Human beings tend to accept that everything must be traced back to something else, or an origin, starting point;...
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1answer
71 views

Many worlds defeats Doomsday argument (betting version)?

Here is a calculation regarding observers placing bets in the many-worlds scenario. Let us assume that an observer has some current rank n in the human race (there have been n-1 humans born before ...
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0answers
27 views

Can phenomenologists believe in future mathematical instants?

Can phenomenologists believe in future mathematical instants? I'm a little confused about how that philosophy is meant to work. I don't think I'm acquainted with the future as opposed to the ...
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2answers
121 views

A-theory of time verses B theory of time?

In reading about the theories of time, they do not seem to link time to the physicality of events. All events are locked into change of physical objects, in relation to location. One can describe the ...
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0answers
61 views

Perception and Time

How is the subject of 'Time' portrayed? Is the record of human awareness and understanding of 'Time' better articulated by the history of Philosophy or better expressed by the history of Art? In ...
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2answers
98 views

Does the future always arrive? [closed]

Does the future always arrive? To clarify by example : can a future event and an event that occurs in the present ever be identical ?
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8answers
220 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
162 views

Do naturalists think that only microscopic physical things exist?

I was reading an article on time in physics, which is meant to emerge at the macroscopic level. This is interpreted as that it does not really exist. Is that because only microscopic physical things ...
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5answers
278 views

If consciousness is an emergent property of brain state, does this mean that we can only truly exist for 1 Planck unit of time?

Suppose my self-awareness, consciousness, point of view (POV) or qualia is not a "thing in itself" but rather an intrinsic emergent property of my brain's current brain state. Then, as my brain ...
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0answers
21 views

How do B-theorists think about absences?

How do B-theorists think about absences like annihilation? A B-theorist about time says that change is not real, often due to McTaggert's argument about the unreality of time. Does a B-theorist have ...
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2answers
73 views

Is time an absolute physical quantity?

We measure a second as the time taken for some n number of cycles of the radiation that gets an atom of caesium 133 to vibrate between two energy states. Basically we have defined time, more precisely ...
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4answers
101 views

Is change the only thing constant?

Time changes, people change, circumstances change, things change. Is it a philosophical truth that everything changes?
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5answers
194 views

Should viable philosophical theories not always be consistent with science?

One of the phenomena of modern philosophy which has troubled me, particularly in the discussion of analytical metaphysics, is its almost complete disregard for established science. It's as if ...
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1answer
385 views

Why did Kant say space and time do not exist independent of us?

As far as I know, Immanuel Kant (1724-1804) believed that space and time do not exist objectively, independent of us, and that they are added by our minds to our perceptions. I am eager to know what ...
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2answers
89 views

Can we assume that there are infinitely many possible states of the world at time t + 1?

I wasn't exactly sure where to post this question, so I decided that it's sufficiently philosophical in nature to warrant its being posted here. I may end up posting it on Mathematics SE as well. I'...
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0answers
61 views

causality violation

Any of you have ever analyzed causality violation: anti-arguments are obvious but I am asking for kind a strong support of this odd logic. For example: If you don't think or do something today, your ...
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1answer
94 views

Why can one not have a “fully temporally determinate universe” at the very beginning of the universe

Freya Mathews lists four metaphysical anomalies in Panpsychism as Paradigm http://www.freyamathews.net/downloads/PanpsychismParadigm.pdf. The fourth is the temporal origin of the universe. On pages ...
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1answer
164 views

Many-worlds defeats Doomsday argument (improved version)?

This is a more carefully argued version of my previous post Many-worlds Interpretation defeats the Doomsday argument? Standard Doomsday Argument Let N be the total number of humans who will ever ...
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4answers
194 views

Many-worlds Interpretation defeats the Doomsday argument?

By making the a priori assumption that we are equally likely to be anywhere along the chronological list of humans, the Doomsday argument implies that our position n is correlated with the future ...
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0answers
36 views

Origin of “Everything lasts forever” argument?

Following is an argument that because moments exists outside of time, they can't fundamentally be said to "pass", except perhaps from our perspectives. I want to know where this argument originates. ...
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3answers
54 views

Has anyone done any good work on tensed expressions and how they combine?

Has anyone done any good work on tensed expressions and how they combine? Under another name, I did ask a few questions about tense, and am clearly confused by it. and hope that an answer to this ...
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1answer
121 views

Is eternalism notion of time consistent with quantum mechanics (all of its interpretations)?

Is it consistent with quantum mechanics to think that:"We live equally in all past, present and future events" which is suggested by Einstein's relativity?
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152 views

The nature of time in a single-particle Universe

Let's imagine an infinite Universe with just a single particle in it. If there is nothing else in that Universe, there is no reference frame relative to which the particle can be considered in motion ...
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3answers
94 views

Problem with propositions about future

I have some questions about propositions of future like “tomorrow, there will be rain” or “you won’t go to school tomorrow” 1) Are there certain truth values of future propositions? For example, ...
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1answer
164 views

What does quantum physics say about B theory of time?

Does quantum physics contradict B theory of time( or any other version of eternalism)? If it contradicts, then is it possible that B theory of time( or any other version of eternalism) is still ...
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2answers
107 views

Has any philosopher stated that time and space begin in the present moment, and then become the fixed state we observe in the past? [closed]

We have a cultural bias based on the arrow of time that strongly implies a lack of free will, and a high probability of a pre-existing future. I'm interested in finding prior thinking based on the ...
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247 views

Has any philosopher ever claimed that possibility can't really be tensed?

Has any philosopher ever claimed that possibility can't really be tensed? So that whatever will be possible is possible now. I really have no idea, and would love an answer. I'll add my motive, so ...
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4answers
1k views

Can we fit non-euclidean geometry into Kant's theory?

If one assumes that the geometry of pure intuition is something other than Euclidean, how does that damage anything in the Critique? I mean can we still have a grasp of space-time both as an ...
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6answers
189 views

Can a point divide two lines? [closed]

Usually, a point is said to divide a line. So e.g. a point 3cm along a 5cm line will divide it into 2 lines, one 3cm and one 2cm. Can a point divide two lines? I'm thinking no, because the point ...
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2answers
559 views

What is the role of the a priori nature of time in intuitionism?

According to Brouwer, intuitionists abandoned Kant's apriority of space but adhered to the idea that time was a priori. This Intuitionism considers the "falling apart of moments of life into two ...
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1answer
109 views

what is the concept behind time machine? [closed]

Now we have heard time-machine and time travelling so many times but we have never found an implemented machine/way for practical use. But time-machine can never be a reality as per the following ...
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2answers
169 views

Has anyone claimed that if time were infintely divisible then events would be mind depdenent?

Has anyone claimed that if time were infinitely divisible then events would not be mind dependent? Obviously, Zeno says something like this, but presumably has been refuted anyway. Can't find anyone ...
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2answers
102 views

how do you prove the existence super natural [duplicate]

How can you prove the existence of super-natural being ?
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1answer
70 views

Is there any reason to think that time is necessarily flowing “forwards” rather than backwards, or another direction completely? [closed]

If we accept that our perception of the world and the actual objective truth of the world in itself are disjoint - that we cannot know certain (or perhaps any) truths about the world - then we ...
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2answers
93 views

Presentism: Which present?

Presentism describe how only the present exists, the future have yet to be actualised and the past has ceased to exist (except for its trace left behind in our memory at the present that allow us to ...