Question about checks for min and max values

[Kenneth Brody]

Quoting Jay R. Ashworth (Mon, 25 Jul 2005 13:03:53 -0400):

> On Mon, Jul 25, 2005 at 12:25:27PM -0400, Brian K. White wrote:
[...]
> > Didn't Nancy once point out that in truth, filepro was around before
> > most of these other languages and there was no such standard at the
> > time fp was created, and in fact filepro's behaviour adheres to the
> > standards of basic math and logic which were worked out looooong
> > before annnnnnny programming language? And it's most current
> > programming languages that deviate?
>
> Perhaps she did.  But BASIC, Fortran, COBOL--and, in truth, C--all
> predate any version of Profile that *had* processing, so far as I know.

How do those languages represent a number without any value?

> And they all stole their definitions of "is equal to" from
> *mathematics*, which sort of predates all of them.
>
> By a few hundred years.

Does mathematics have a representation for a number without any value?
(We're talking _numbers_, not number _sets_.)

And didn't someone point out that "="/"eq" is really "equivalent" and
not "identical"?  (Remember, "0.0" is not identical to "0.00".)

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