Tue, 11 Dec 2001 10:42:55 +0000
> Simon> gcd x y is the greatest POSITIVE integer that divides
> Simon> both x and y.
> I find it confusing to read a definition which contains redundant
> information. Instead, I'd suggest to add something like:
> "Note: this number is always positive"
Or, perhaps easier on the eye,
"gcd x y is the greatest (positive) integer that divides both x and y."
Keith Wansbrough <email@example.com>
University of Cambridge Computer Laboratory.