Re: So what's null then if it's not nothing?

From: David Cressey <dcressey_at_verizon.net>
Date: Fri, 16 Dec 2005 07:23:12 GMT
Message-ID: <AXtof.3804$Y2.1782@trndny04>

"vc" <boston103_at_hotmail.com> wrote in message news:1134679339.048493.78900_at_z14g2000cwz.googlegroups.com...

> However, his subsequent analogy "After all, it is very common in
> mathematics to label unknown values by letters such as m, n, x, y, z."
> is not very enlightening. Nowhere did he say, though, that UNKNOWN is
> a variable.

It's very common in algebra. It's not very common in arithmetic.

This is what I was driving at when I said we were going to have to distinguish between Boolean arithmetic and Boolean algebra. Received on Fri Dec 16 2005 - 01:23:12 CST