Updates:
Status: Accepted
Labels: Integration
Comment #4 on issue 2081 by asmeurer: Pow substitution introduces wrong
answers
http://code.google.com/p/sympy/issues/detail?id=2081
So I made the change you suggested (except I didn't consider the positive
assumption yet) and ran the tests. Surprisingly, the code that I thought
was going to fail, i.e., the series/limit code, didn't have any failures.
The code that did have failures is the integration code.
This is somewhat ironic actually, because this is exactly the kind of fix
that is really needed in that code, by my previous assessment (see issue
790 and some of the blocking ones).
So I think that if we can figure out why these aren't working after this
fix, then we can actually make this fix that you suggest.
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