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Re: Relational Divsion

From: Rich Ryan <rryan_at_cshore.com>
Date: Thu, 01 Jun 2006 22:06:38 GMT
Message-ID: <OxJfg.43980$Lm5.41194@newssvr12.news.prodigy.com>

"Bob Badour" <bbadour_at_pei.sympatico.ca> wrote in message news:rDqfg.15778$A26.367062_at_ursa-nb00s0.nbnet.nb.ca...
> Rich Ryan wrote:
>
> > To me, as a school kid, division was multiple subtractions. Can we do
real
> > "divides by ".with the algebra we cling to? In context of the math we
use?
>
> Relational product is not the same as series addition or series union.
> Why would you expect an algebra of relations to have a mapping to the
> algebra of integers, rationals or reals? Different types, different
> operations, different algebras.
>
> Is it possible to express relational operations in terms of different
> relational operations? Yes. Read _The Third Manifesto_ for a couple
> examples.

Without reading TheThird Manifesto, your post made sense. I get very literal at times.

Rich Received on Thu Jun 01 2006 - 17:06:38 CDT

Original text of this message

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