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Questions tagged [time]

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, if your question is about what current physics can quantitatively predict or explain, it is probably not about philosophy and therefore off-topic.

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Could reality be a projection of another reality?

I'm new to metaphysics. So, I apologize if this is an established question. I've been asking the question, could reality be a projection of another reality? In geometry, you can project a three ...
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0answers
38 views

how to realize every 1 sec of life? [on hold]

We don't even realize how years passed away, at least I do, but as a student I can't realize how my time goes away, to know what life is, one has to know what time is in our mind. Our mind doesn't ...
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1answer
74 views

Grandfather Paradox and Can vs Cannot

Varanas and Vihvelin provide responses to David Lewis' 'Can vs Cannot' discussion. Have there been any appropriate counterresponses to these?
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3answers
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Time travel and changing the past

Many philosophers argue that time travel is possible without causally affecting the past? Is it even possible to time travel without causally affecting the past. The grandfather paradox is an ...
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4answers
263 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
43 views

What's the difference between infinite divisibility and infinte extension?

I understand that most people would say that time, such as the time it takes to write this question, is infinitely divisible. But I'm guessing it's unusual to suppose that makes it infinitely extended,...
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4answers
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What is actual is a metaphysical necessity?

You look out of the window and it's raining. You grab a bottle and pour some water into a glass. You probably don't consider these events as necessary: it could have been a sunny day and you were free ...
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5answers
178 views

If time is discrete, does moving means teleporting?

Please follow this thought experiment: 1) A ball moves one centimeter in one unit of time. 2) A ball disappears. Then, after a unit of time, it reappears one centimeter far away. By now we don't ...
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3answers
157 views

Once it happened, an event was necessary?

What would happen to an event in the past, if time itself ceases to exist? Without time, has what existed (such as the writing of this sentence) never happened? A total disappearance of space-time ...
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2answers
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Forward time travel

It is commonly thought that forward time travel is more logically possible than backward time travel. Does the following raise a paradox to forward time travel: Tim goes 20 years in thee future to ...
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1answer
52 views

Grandfather Paradox and Causal Loop

How does the grandfather paradox cause a causal loop (and therefore a bootstrap paradox)? https://en.wikipedia.org/wiki/Grandfather_paradox
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0answers
55 views

Does a level I multiverse implicate a very long life? [closed]

Let's suppose that there are infinite level 1 universes, agreeing with physicist like Max Tegmark and even before them with philosophers like Giordano Bruno. Now, please follow this thought ...
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0answers
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Does the “Temporal” determinateness apply to both temporal and non-temporal entities?

Heidegger wrote in Being and Time that: In both pre-philosophical and philosophical usage the expression 'termporal' has been pre-empted by the signification we have cited; in the following ...
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Theories to suggest that there exists only one version of history

How do we know that the past is fixed and that there only exists one version of history? Are there any interesting arguments surrounding this?
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1answer
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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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10answers
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Is there such thing as the present?

I know there are other hypotheses on time, but for this question lets go with this definition of time: The indefinite, constant, continued progress of existence. Now we have the three parts of ...
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2answers
110 views

Must an eternal object be uncaused?

Let's say that we grant that item "X" is eternal. By "eternal" we mean that it has always existed and that it always will exist. Because "X" is eternal, does it follow that it MUST be uncaused?
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1answer
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Why are there sixty seconds in one minute and sixty minutes in one hour, but sixty hours do not equal one day? [closed]

Why are there sixty seconds in one minute and sixty minutes in one hour, but sixty hours do not equal one day?
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3answers
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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7answers
257 views

If nothing happens, does time still pass?

This question may have been asked before; actually, it's definitely been asked before, since it's on the topic of whether time is real or a man-made construct, but I don't believe it has yet been ...
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2answers
186 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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2answers
131 views

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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8answers
496 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
451 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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0answers
52 views

Can dasein repeat without a time

Can dasein repeat without a time or is dasein necessarily in time. I recall that dasein is structured by care, but not if that always involves times
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0answers
51 views

Can an eternalist think that pastness and futureness are properties?

I take an eternalist to be someone who believes there are no past/future things, it all exists "at once". I understand the position as it applies to concrete objects, but I am not so clear on what the ...
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1answer
181 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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5answers
229 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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854 views

Change Without Time

I came across this comment: You won't understand this answer, but here we go: Time and space are intrinsically connected. You cannot have one without the other. Before the Big Bang there was no ...
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0answers
90 views

Is there a solution of this time-travel enigma? [closed]

Mary is a supporter of free will. Thanks to a time machine, she travels five minutes into the future and finds out that she will quietly drink a coffee. She goes back and decides not to drink it, to ...
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3answers
164 views

Does an infinitesimal instant of time have zero duration? [closed]

Is there a philosophical argument supporting the hypothesis that an infinitesimal instant of time has zero duration? The reference to infinitesimal includes the modern presentation of it in non-...
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5answers
2k views

Can we be Boltzmann brains? Or, how can we be sure there is no conspiracy about the past?

The way things are traditionally presented about time, there is the present, the past is fixed, and the future is open. The second law of thermodynamics is invoked. But how can we be so sure the past ...
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1answer
36 views

Is there a theory about time traveling without paradox or multiple universes? [closed]

If you think about time travel you will quickly come to problems like the time paradox. In order to avoid a solution of the question about the paradox, the theory of multiple universes is used. Is ...
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2answers
78 views

Consciousness and Spacetime [closed]

What is consciousness? Is our conceived perception a part of space or time? Can we be conscious in a state where time is non existent, or frozen? Is consciousness energy? Does it adhere to ...
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3answers
955 views

Is the B-theory of time compatible with libertarian free will?

As I understand the B-theory of time it says that we can talk about things happening in time just by using tenseless sentences — which for me implies that the past, present and future are equally real....
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2answers
126 views

Is this a paradox about clairvoyance?

You play a game with a fortune teller. There are two cards with the face down on the table; he wins if you raises the card's suit he foresees, you win if his prediction turns out to be wrong. Suppose ...
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1answer
82 views

Many worlds defeats Doomsday argument (betting version)? [closed]

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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3answers
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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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What ethical problems might be involved in time travel?

Has anyone addressed the ethics of time travel? Time travel looks like a gold mine for moral dilemmas, but I don't know of anyone who addresses these issues. For example: Am I morally obligated to ...
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1answer
624 views

What does Heidegger mean by saying that Bergson's concept of time is essentially spatial?

In Being and Time, Heidegger writes: This task as a whole requires that the concept of time thus gained be distinguished from the common understanding of it. The latter has become explicit in an ...
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1answer
285 views

Does Bergson view symbols negatively or only as a secondary source of knowledge?

In the Introduction to Metaphysics, metaphysics is defined as "that science which claims to dispense with symbols." Bergson contends that the human mind operates discursively, or by taking snapshots ...
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What is time for Bergson? And how is it different from duration?

I stumbled across references to Bergson while reading Photography, Cinema, Memory: The Crystal Image of Time. I started reading "Bergson's Conception of Duration" in The Philosophical Review to ...
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1answer
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What's the difference between the time-image in Deleuze's Cinema 2 and a film's narrative structure?

Reading Gilles Deleuze's Cinema 2: The Time-Image, I could never really tell what he meant by time crystals. His examples and analyses all just seem to be describing the narrative structure, the shape ...
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1answer
186 views

Are A series and B series actually about time or only about language?

Actually, A series is represented by sentences like: She was home yesterday. B series represented by sentences like: She was home on the 24th of August, 2018. A-theory represents time as A ...
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1answer
63 views

For a clairvoyant able to perceive time as we perceive space, is the future determined?

We can think about a future event as unknown or not yet existing, but once it has happened, it can be only as it is. If I am in an instant of time t1 and in a subsequent instant t2 an event x occurs, ...
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1answer
566 views

Is it possible for God to exist outside of time?

A common idea of God is that he exists outside of time. Does this make sense? Here are some objects. Do any of them work? Impossibility of immutability: If God exists outside of time, then by ...
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1answer
41 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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3answers
104 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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Can a non linear perception of time be the answer to the apparent contradiction between God's Decree and human free will?

In Islamic teachings which I was brought up in, we are made to believe that everything that happens is in the Decree of God (Allah). There is a hadith (sacred text from the Prophet) which says that ...
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Can everything that exists have no beginning or end?

Can everything that exists have no beginning? I'm not asking about religious notions (as all the other questions I saw on here seemed to be about), if there must be a God to create a universe that ...