Status: Started
Owner: [email protected]
Labels: Type-Defect Priority-Medium Milestone-Release0.7.0 Assumptions

New issue 2338 by [email protected]: Use predicates and propositions instead of "Assume objects"
http://code.google.com/p/sympy/issues/detail?id=2338

The idea is to write `~Q.real(x)` instead of `Assume(x, Q.real, False)`. It's shorter, easier to understand and doesn't suggest wrongly that creating the object does anything beyond that.

Consistent use of this syntax also suggests further ways to simplify the API of the new assumption system. It doesn't directly help with removing the old system but makes the new one more usable.


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