Re: MV Keys
Date: Thu, 2 Mar 2006 15:36:42 +0200
"Brian Selzer" <brian_at_selzer-software.com> wrote in message
> "x" <x_at_not-exists.org> wrote in message news:du6h9v$8g4$1_at_emma.aioe.org...
> > "Brian Selzer" <brian_at_selzer-software.com> wrote in message
> > news:qkvNf.36307$Jd.30961_at_newssvr25.news.prodigy.net...
> >> Then there's no difference between a varchar and an int. Both are
> >> 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.
No. An int with sets or lists or pebbles or whatever. What cardinals ? Just some pebbles. :-)
> >> I think there's a fundamental difference between a varchar or an int
> > an
> >> abstract data type whose elements do belong to the universe.
> > There is a difference between the stuff and the representation of the
> > stuff.
They are two distinct English words.
> Isn't an ADT essentially
> what we would call a data structure outside of the OO paradigm? Maybe I
> should give the glossary maintainer a definition for scalar:
And possible representation : ... ? Received on Thu Mar 02 2006 - 14:36:42 CET