Status: Valid
Owner: ----
Labels: Type-Defect Priority-Medium EasyToFix

New issue 3479 by [email protected]: KroneckerDelta should canonicalize
http://code.google.com/p/sympy/issues/detail?id=3479

Currently,

KroneckerDelta(n, m) == KroneckerDelta(m, n)
False

but this should be True. Basically, KroneckerDelta should sort its arguments or use a set (but then the printer should sort the arguments).

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