Status: Accepted
Owner: [email protected]
CC: [email protected]
Labels: Type-Defect Priority-Medium Assumptions
New issue 2480 by [email protected]: Lambda erases assumptions on its
variables
http://code.google.com/p/sympy/issues/detail?id=2480
x = Symbol('x', real=True)
x.assumptions0
{'commutative': True,
'complex': True,
'imaginary': False,
'negative': False,
'nonnegative': True,
'nonpositive': False,
'nonzero': True,
'positive': True,
'real': True,
'zero': False}
Lambda(x, x)
Lambda(_x, _x)
_.expr.assumptions0
{}
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