Re: Proposal: 6NF

From: David Cressey <dcressey_at_verizon.net>
Date: Sat, 14 Oct 2006 18:36:44 GMT
Message-ID: <07aYg.264$cQ5.42@trndny06>

"vc" <boston103_at_hotmail.com> wrote in message news:1160770809.058454.271770_at_i3g2000cwc.googlegroups.com...

> Whatever you define as "integer division" cannot be claimed to be the
> division as understood in elementary arithmetic, as well as in abstract
> algebra, and therefore to be "inheritable" from R-division as I imagine
> it should be in the OOP sense of the word. In simpler terms, Z ain't
> a field while R is.

I like Pascal's "div" operator. I also like that wirth didn't try to overload "/". And, IIRC, / will coerce a conversion to real, such that (2 / 3) yields 0.666666... Received on Sat Oct 14 2006 - 13:36:44 CDT