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Re: Programming is the Engineering Discipline of the Science that is Mathematics

From: David Cressey <dcressey_at_verizon.net>
Date: Fri, 09 Jun 2006 12:09:28 GMT
Message-ID: <Yxdig.2178$974.737@trndny06>

"Cimode" <cimode_at_hotmail.com> wrote in message news:1149802373.381570.14000_at_g10g2000cwb.googlegroups.com...
>
> David Cressey wrote:
> > "Cimode" <cimode_at_hotmail.com> wrote in message
> > news:1149758377.688333.114770_at_c74g2000cwc.googlegroups.com...
> >
> > > If Codd would not have thought of appying mathematical relations and
> > > set theory to computing the RM would not have been invented. It's
> > > true that all mathematics has not been applied and may not be
applyable
> > > to computing but mathematics has already inspired and helped the
> > > formulation of computing models.
> > >
> >
> > Actually, this isn't true. If you'll go back to Codd's 1970 paper,
you'll
> > see that he makes reference to the relational model of data having been
used
> > in prior work. That prior work did not involve databases, admittedly.
> Yes but where do you think this prior work come from anywhere else than
> from math?
>

I was NOT disagreeing with the assertion that RM derives from math.

I was disagreeing with the idea that, without Codd, the RM would not have been invented.
Codd himself made no such claim, and his reference to prior work shows it. Received on Fri Jun 09 2006 - 07:09:28 CDT

Original text of this message

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