Status: Accepted
Owner: asmeurer
CC: hazelnusse
Labels: Type-Defect Priority-Medium Solvers

New issue 1582 by asmeurer: solve() does not properly back substitute dummy  
function variables in limits of Integral
http://code.google.com/p/sympy/issues/detail?id=1582

>>> print solve(Eq(log(f(x)), Integral(x, (x, 1, f(x)))), f(x))
[exp(Integral(x, (x, 1, _F0)))]

Really, this should be returning NotImplemented, because we are not fully  
solving for f(x) (unless we
like for solve to return partially solved solutions, but that is another  
issue), but at the very least, it is
failing to back substitute the _F0.

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