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This thread included a request: "can you give an example of an event that doesn't end".

Must all events end?

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  • Is the real number line an event?
    – user4894
    Mar 11 '15 at 19:00
  • I would say no, making my initial comment irrelevant.
    – Five σ
    Mar 11 '15 at 19:45
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Physically, perhaps the universe will come to a standstill, and from then on there won't be any more events.

But I don't see any logical reason, something in the event concept itself, why an event can't go on forever. For example, consider a small round patch, whose colors change constantly. Or a particle that moves through space, and will never stop. Or a perpetuum mobile..

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  • ok good answer, thanks. if an event doesn't end, can its end get closer?
    – user6917
    Mar 11 '15 at 21:44
  • 1
    @MATHEMATICIAN You're welcome. If an event doesn't end, then there is no "its end". So "its end" cannot get closer. Mar 11 '15 at 22:24
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It seems to me that this depends a great deal on how you define an event.

Intuitively, I want to define the term "event" to refer to a particular moment when an actor acts upon an object, in which case each event is quite short and yes, all events end almost as soon as they begin.

I could also see a definition of "event" that encompasses a large number of actions, possibly even smaller events, such as considering a war a single event comprised of a number of battles, each of which is itself an event, and each of which is in turn comprised of smaller events (sword swings, trigger pulls, chemical interactions, ...).

So the answer to this question seems to be quite context sensitive.

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  • ok... hmmmmmmmmmmm
    – user6917
    Mar 11 '15 at 21:42
  • 1
    @MATHEMATICIAN Can you please define "event?"
    – user4894
    Mar 11 '15 at 21:44
  • oh i don't mean anything technical just a changing state of affairs
    – user6917
    Mar 11 '15 at 21:45
  • @MATHEMATICIAN If you are responding to me, including '@user4894' will alert me to your response. If an event is a "changing state of affairs," then if a particle moves according to the law f(x) = x^2 for all real numbers x, is that not a series of events with no beginning and no end?
    – user4894
    Mar 12 '15 at 0:14

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