Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3113 by [email protected]: Name clash: Basic.is_real vs
Set.is_real
http://code.google.com/p/sympy/issues/detail?id=3113
The meaning of Set.is_real ("Is it a set of reals?") is incompatible with
Basic.is_real (= "Is the object an extended real number?"). This makes the
API inconsistent and forces us to use tricks to prevent the assumption
system (which manages Basic.is_real) from interfering with Set.is_real.
Transferring the assumptions from Basic to Expr would make the problem
(mostly) go away (cf. issue 2391). Otherwise, we could simply rename
Set.is_real.
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