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Re: MV Keys

From: x <x_at_not-exists.org>
Date: Thu, 2 Mar 2006 12:27:04 +0200
Message-ID: <du6h9v$8g4$1@emma.aioe.org>

"Brian Selzer" <brian_at_selzer-software.com> wrote in message news:qkvNf.36307$Jd.30961_at_newssvr25.news.prodigy.net...

> Then there's no difference between a varchar and an int. Both are lists
> whose elements (under most circumstances) do not belong to the universe of
> discourse, and in both cases it is the permutations of those elements that
> do.

One could choose to represent int with *sets* instead of lists. :-) For example as a pair of sets with cardinals p,q for the number p-q.

> I think there's a fundamental difference between a varchar or an int and
an
> abstract data type whose elements do belong to the universe.

There is a difference between the stuff and the representation of the stuff. Received on Thu Mar 02 2006 - 04:27:04 CST

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