MathGroup Archive 2007

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Re: Weird result in Mathematica 6

Another related effect can be used to actually derive contradictions
in Mathematica. Try this

It returns 0. The assumption was that Im[x]>0 so here Mathematica
clearly contradicts the assumption.

Obviously this suggests one should be very careful when using
inequalities with complex quantities. I think this sort of bugs should
really be fixed considering how much trouble Mathematica usually goes
into to ensure that real quantities are not assumed in expressions.

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