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Full Idea
It is not easy to see whether the now, which appears to be the boundary between past and future, remains always one and the same or is different from time to time.
Gist of Idea
We can't tell whether the changing present moment is one thing, or a succession of things
Source
Aristotle (Physics [c.337 BCE], 218a08)
Book Ref
Aristotle: 'Physics Books III and IV', ed/tr. Hussey,Edward [OUP 1983], p.41
A Reaction
[also 219b13] Presumably the A-series view suggests that each present moment is different, but Broad's moving spotlight analogy gives the impression of a single present instant moving through time. If the present is one, what sort of thing is it?
| 22957 | We can't tell whether the changing present moment is one thing, or a succession of things [Aristotle] |
| 22966 | The present moment is a link (of past to future), and also a limit (of past and of future) [Aristotle] |
| 20818 | The present does not exist, so our immediate experience is actually part past and part future [Chrysippus, by Plutarch] |
| 20821 | Time is continous and infinitely divisible, so there cannot be a wholly present time [Chrysippus, by Stobaeus] |
| 22742 | Socrates either dies when he exists (before his death) or when he doesn't (after his death) [Sext.Empiricus] |
| 22751 | If the present is just the limit of the past or the future, it can't exist because they don't exist [Sext.Empiricus] |
| 22891 | We could be aware of time if senses briefly vibrated, extending their experience of movement [Russell, by Bardon] |
| 17552 | In relativity the length of the 'present moment' is relative to distance from the observer [Heisenberg] |
| 18401 | The pure present moment is too brief to be experienced [Armstrong] |
| 12690 | The present is the collapse of the light wavefront from the Big Bang [Ellis] |
| 22942 | If time is infinitely divisible, then the present must be infinitely short [Le Poidevin] |
| 22990 | The moving spotlight says entities can have properties of being present, past or future [Baron/Miller] |
| 22997 | The present moment is a matter of existence, not of acquiring a property [Baron/Miller] |