Status: Accepted
Owner: [email protected]
Labels: Type-Defect Priority-Medium

New issue 2185 by [email protected]: subs issues
http://code.google.com/p/sympy/issues/detail?id=2185

    h[1] >>> var('A B', commutative=0)
    (A, B)

In master this used to fail because it didn't return after failing with the commutative part:
    h[2] >>> (a*A).subs(a*a*A,B)
    a*A

This used to fail because Rational powers were not prohibited for nc terms:
    h[3] >>> (A*A).subs(A*A*A,c)
    A**2


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