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From: Stathis Papaioannou <stathisp.domain.name.hidden>

Date: Thu, 15 Mar 2007 15:31:10 +1100

On 3/15/07, Brent Meeker <meekerdb.domain.name.hidden> wrote:

*>
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*> Torgny Tholerus wrote:
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*> > Stathis Papaioannou skrev:
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*> >> On 3/14/07, *Torgny Tholerus* <torgny.domain.name.hidden
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*> >> <mailto:torgny.domain.name.hidden>> wrote:
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*> >>
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*> >> Stathis Papaioannou skrev:
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*> >>> How can you be sure? Maybe space is discrete.
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*> >> Yes, space (and time) is discrete. Everything in the universe is
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*> >> finite, and the universe itself is finite. Infinity is a
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*> >> logically impossible concept.
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*> >>
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*> >>
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*> >> I don't see that "discrete" and "finite" necessarily go together. The
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*> >> integers are discrete, but not finite.
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*> > No, the integers are finite. There exists only a finite numer of
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*> > integers. There exists a biggest integer N. It is true that you can
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*> > construct the integer N+1, but this integer is not a member of the set
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*> > of all integers.
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*>
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*> This must be computer arithmetic (modulo N?) - not Peano's. :-)
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*>
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*> >
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*> > Because everything is finite, you can conclude that the space-time is
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*> > discrete.
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*>
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*> That doesn't follow. The universe could be finite and closed, like the
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*> interval [0,1] and space could still be a continuum.
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*>
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*> But these ideas illustrate a problem with "everything-exists". Everything
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*> conceivable, i.e. not self-contradictory is so ill defined it seems
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*> impossible to assign any measure to it, and without a measure, something to
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*> pick out this rather than that, the theory is empty. It just says what is
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*> possible is possible. But if there a measure, something picks out this
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*> rather than that, we can ask why THAT measure?
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Isn't that like arguing that there can be no number 17 because there is no

way to assign it a measure and it would get lost among all the other objects

in Platonia?

Stathis Papaioannou

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Received on Thu Mar 15 2007 - 00:31:18 PDT

Date: Thu, 15 Mar 2007 15:31:10 +1100

On 3/15/07, Brent Meeker <meekerdb.domain.name.hidden> wrote:

Isn't that like arguing that there can be no number 17 because there is no

way to assign it a measure and it would get lost among all the other objects

in Platonia?

Stathis Papaioannou

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To post to this group, send email to everything-list.domain.name.hidden

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Received on Thu Mar 15 2007 - 00:31:18 PDT

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