Comment #3 on issue 2832 by [email protected]: bool(Relational) should raise ValueError
http://code.google.com/p/sympy/issues/detail?id=2832
I don't like the idea of comparing complex numbers by some canonical way. Inequalities in SymPy are algebraic, and trying to do something like this would only cause confusion at best.
And by the way, comparing by norm is a bad choice, because this is only a partial ordering, which would lead to even more confusion (x < y is False and x <= y is True, but x == y is False). A better way is something like lexicographic, but, again, this belongs somewhere other than in the < operators.
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