Turn off ZeroDivisionError?
dickinsm at gmail.com
Fri Feb 15 23:43:49 CET 2008
On Feb 15, 5:27 pm, Steve Holden <st... at holdenweb.com> wrote:
> True enough, but aren't they of indeterminate magnitude? Since infinity
> == infinity + delta for any delta, comparison for equality seems a
> little specious.
The equality is okay; it's when you start trying to apply arithmetic
a+c == b+c implies a == b
that you get into trouble. In other words, the doubly-extended real
line is a perfectly well-defined and well-behaved *set*, and even a
nice (compact) topological space with the usual topology. It's just
not a field, or a group under addition, or ...
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