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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3answers
339 views

Could a finite time universe exist “eternally”?

In a world of one spatial dimension and one time dimension, we can, as physicists working on relativity do, consider world lines in space-time. That is, consider the xt-plane with t as the horizontal ...
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1answer
161 views

How does phenomenology deal with time-consciousness?

How does the strict phenomenologist deal with atypical forms of consciousness that an analytical philosopher need only point to brain function to explain? For instance, how does phenomenology deal ...
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5answers
479 views

Do some philosophers believe there is no present, past, and future — and if so how on earth do they?

Nor does 20th (21st) -century physics countenance the idea that there is anything ontologically special about the past, as opposed to the present and the future. In fact, it fails to use these ...
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6answers
440 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 ...
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1answer
531 views

What is the Anti-Realist and Constructionist interpretation of empirical dating methods and existence of the past?

I'm fairly interested in the realism, anti-realism debate and would like to hear, if possible by an anti-realist or constructivist, how dating methods fit into their world view. As a realist, dating ...
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0answers
67 views

Is there truly an objective difference between what is and what could be?

"What is" versus "What could be". What role does language as a way of knowing play in determining “what” something is? Is the desire to change the way we view the world in Art connected to or ...
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1answer
5k 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
129 views

Is the permanent self still tenable? [closed]

I wonder what a possible objection could be: P1) The self is static in change; P2) If P1 is true then change cannot be the self otherwise the self wouldn't be static; C) Therefore, change is the ...
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2answers
329 views

Is everything still and happens at the same time?

I really don't know if there's a theory that explains if everything happens at the same time, meaning that there is no such thing as time and time is simply an illusion. This line of thought comes ...
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0answers
170 views

Question About Shoemaker's Thought Experiment (Time Without Change)

In his argument that time intervals can exist without change, Shoemaker gives us an interesting thought experiment. For those unfamiliar, here it is: Assume that an entire universe is divided into ...
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1answer
150 views

Meaning of a diagram by Althusser

A diagram by Althusser captioned “The future lasts a long time” (the title of his memoirs) appears on several of his book covers. Below is my own reproduction, based on a sketched version found here. ...
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If only the present is ideal in McTaggart's sense are we still obliged to accept his C-series or something close to it?

If only the present in the A series is ideal in McTaggert's sense are we still obliged into accepting his C-series or something close to it, in order to account for the appearance of change? It seems ...
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1answer
130 views

Is a dog from the present considered to be the same thing as the same dog 1 sec in the future? [closed]

Is a dog from the present considered to be the same thing as the same dog 1 sec in the future? What are the distinctions philosophers tend to make when we refer to the same thing at a different time. ...
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0answers
102 views

Is it true that the order of spacelike events depends on an observer? Does that mean block universe is true?

So I was thinking, as philosophers do, if even the past and the future is relative and the order of events can change, then block universe must be true. Is my reasoning right or wrong?
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6answers
3k views

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 ...
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2answers
118 views

Does a two-way infinite time imply that every event is recurrent?

If time were to be infinite in both the past and the future, does that mean that every event must occur an infinite number of times? If time is only infinite in one direction, it is easy to see how ...
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2answers
147 views

Divine temporality and spacetime

According to the IEP, The majority position today, at least among philosophers, is that God is everlasting but temporal. How is the idea of divine temporality reconciled with special relativity? ...
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1answer
407 views

I don't understand Parmenides's argument for why we can't think about what doesn't exist

I have been learning about Parmenides, and I don't think I am correctly understanding his argument for why we can't think/speak about things that don't exist. I tried to apply his logic to a ...
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1answer
67 views

Does the real line mean that the start and end points of any line must exist?

In mathematics, a real number is a value of a continuous quantity that can represent a distance along a line https://en.wikipedia.org/wiki/Real_number We consider the set of real numbers, ...
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9answers
4k views

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
67 views

Is there a phenomenological real time, for Husserl?

Is there a phenomenological real time, for Husserl? I've read some relevant sections, I think in the Crisis of the European Sciences, but could not determine an answer from them. If it isn't, must we ...
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1answer
140 views

Does the reversibility of laws of physics prove that causality doesn't exist?

Does the fact that the fundamental laws are symmetric with respect to direction of time show that causation does not exist? Since causality always requires the cause to precede the effect, but laws of ...
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4answers
455 views

If Time Doesn't Exist, Does God?

If time doesn't exist (this Wikipedia page and this SEP article provide some arguments for the non-existence of time), does that mean God doesn't? Given that it is impossible for God to exist ...
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1answer
72 views

The strangness of time [closed]

What happened before time itself?Is a time period of an event necessary to say that this happened?In physics the passing of time is relativistic depending on your frame of reference.But we cant escape ...
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9answers
711 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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7answers
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Is time travel only possible if the world is deterministic?

Let's say that true free will (and not only the impression of free will) is only possible if the world is not deterministic (meaning that the future of universe in not determined by its state at an ...
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0answers
85 views

Does Tegmark's hypothesis include dynamical mathematical structures?

Tegmark's hypothesis is the idea that mathematical structures are physical and thus have physical existence (https://en.wikipedia.org/wiki/Mathematical_universe_hypothesis) Zuse's thesis says that ...
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1answer
88 views

Which philosophers has proven existing is being part of the change in time?

Does anyone know any philosopher(s)/mathematician(s) who has proven that existing is being part of change in time or a journal article from a credential academician/scholar who conclude this with ...
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1answer
100 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
405 views

How should we understand the oracle's dilemma in making a prediction?

Let's look at a thought experiment: There is an oracle who has exact knowledge of the state of a deterministic universe, so her predictions about the universe's future have always turned out to be ...
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3answers
182 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 been pondering a question in my head. 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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0answers
97 views

Are Wittgenstein's propositions about death incompatible with momentariness?

Are Wittgenstein's propositions about death incompatible with momentariness? I think mean that death, which is a cessation that is not lived through, cannot change life, and we are immortal outside ...
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3answers
386 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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1answer
85 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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3answers
92 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
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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4answers
162 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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1answer
55 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 ...
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1answer
99 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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10answers
516 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
172 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
674 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
257 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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4answers
992 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
312 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
234 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
88 views

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
213 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
23 views

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
44 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?