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Topic: What are space and time?
Replies: 184   Last Post: Nov 19, 2012 9:14 PM

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Michael C

Posts: 2
Registered: 7/8/10
Re: What are space and time?
Posted: Jul 8, 2010 1:00 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Jul 7, 10:40 pm, Immortalist <reanimater_2...@yahoo.com> wrote:
> What sort of things are they if they are things?
>
> One natural answer is that they comprise continua, three-dimensional
> in the case of space, one-dimensional in the case of time; that is to
> say that they consist of continuous manifolds, positions in which can
> be occupied by substances and events respectively, and which have an
> existence in their own right.
>
> It is in virtue of the occupancy of such positions that events and
> processes are to be seen as taking place after each other and
> substances are to be seen in certain spatial relations.
>
> Or do space and time have properties of their own independent of the
> objects and events that they contain?
>
> Did Einstein show, through his theory of relativity, that since space
> and time can change in shape and duration that space and time are more
> complex than just sustained perceptual constants?
>
> Metaphysics - by D. W. Hamlynhttp://www.amazon.com/exec/obidos/tg/detail/-/0521286905/


Immortalist,

I think a moment in time is a certain configuration of the
universe. Now, it's not enough to just know where the atoms in the
universe are located in that "moment in time". You'd have to include
things like momentum and the directions they are "currently" moving.
Now, does this definition still allow time to be the fourth
dimension? Well, if a moment in time is a configuration of the
universe, then it seems that knowing what moment in time the universe
is currently at would be enough to describe everything, length, width
and height and then some of all the objects in it. Is time an all
inclusive dimension - does dimension simply mean piece of information
about an object? If you know what time it is, would you know the
length, width, height and locatons (and anything else) of all the
universe's objects?

Michael C


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7/7/10
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Immortalist
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