[Python-Dev] Why is nan != nan?

[Jesus Cea]

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On 03/25/2010 03:19 PM, Steven D'Aprano wrote:
> On Thu, 25 Mar 2010 11:36:28 pm Jesus Cea wrote:
> 
>> Infinites are "not equal" for a good reason, for example.
>>
>> 1/0 and 2/0 are both infinites, but one is "greater" than the other.
>> Or (1/0)^(1/0), an infinite infinitelly "bigger".
> 
> 
> I think you're mistaken. In Python 3.1:

I was refering to mathematical infinites and why inf!=inf is sensible
and a natural consequence calculus and limits (mathematically).

In any case, I am an engineer, not a mathematical or a language designer
:). IANAL.

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