Comment #8 on issue 3025 by [email protected]: Piecewise evaluate=False
does not work when conditions are boolean
http://code.google.com/p/sympy/issues/detail?id=3025
Let's use this to discuss what evaluate=False *should* do.
#6 describes current behaviour in master. I think that it's wrong, and that
Piecewise((x, x>1), (0, True), (1, False), (2, True)) should always be
canonicalised to Piecewise((x, x>1), (0, True)), irrespective of issue 2626.
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