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Re: A little problem with positive numbers


Hi Nicola,

what is with

x /: Positive[x]:=True

?

Regards
  Jens

attico wrote:
> 
> How can i say to Mathematica that
> a number im using is a positive one?
> I would like to try with
> 
> SetAttributes[x,Positive]
> 
> but, with my surprise, ive discovered
> that this attribute is inexistent.
> Someone can help me?
> 
> Thanx
> 
> Nicola
> nicola at linuz.sns.it


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