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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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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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3answers
78 views

Is visualization : space :: simulation : time?

I'm trying to find the right word to complete this analogy. visualization : space :: w : time? The closest I could get is "simulation," but is this a good answer?
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3answers
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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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1answer
58 views

Is there an aspect of the person that is outside time and or size? Does anyone argue that to defeat nihilism?

Is there an aspect of the person that is outside time or scale? Does anyone argue that to defeat nihilism, and does that come up in discussing value nihilism? I just think that anyone who claims that ...
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4answers
105 views

What is the point of acquiring knowledge when time would take it away soon enough?

After spending hours and hours of researching on different aspects of philosophy, not to mention the effort, here is my question: What is the point of acquiring knowledge when time would take it ...
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5answers
118 views

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 ...
2
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1answer
47 views

Do we need to predicate the past perfect tense to those that have died?

Do we need to predicate the past perfect tense to those that have died? The PAST PERFECT TENSE indicates that an action was completed (finished or "perfected") at some point in the past before ...
3
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1answer
60 views

What is reflexivity in temporal logic?

According to Stanford Encyclopedia of Philosophy, reflexivity can be defined by : ∀x(x ≺ x) Where ≺ means "Precedes" : For all x, x precedes x But what does it mean for an instant in time x ...
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19answers
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Can time exist without change?

Imagine an event of one second in length, like two hands clapping. Suppose that another interval of time elapses between the clap, a period in which nothing happens in the whole universe (or in all ...
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10answers
358 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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3answers
73 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 time infinitely ...
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6answers
604 views

Does there necessarily have to be a beginning to time?

Although, I can conceive of a potentially infinite amount of time ahead of me, for it is not actual as it remains to be experienced, I can't conceive of a potentially infinite amount of time behind me,...
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3answers
147 views

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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1answer
78 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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4answers
337 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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4answers
978 views

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
259 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 ...
2
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3answers
166 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
62 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
56 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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0answers
41 views

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?
2
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1answer
159 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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2answers
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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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7answers
269 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
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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 ...
2
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2answers
136 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
521 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
563 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
59 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 ...
2
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1answer
182 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
236 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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8answers
985 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
101 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
172 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
39 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
81 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
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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
139 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
83 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
137 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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9answers
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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
642 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
289 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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3answers
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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
185 views

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 ...