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`S.Reals - FiniteSet(n)` returns `EmptySet - FiniteSet(n)` #9637

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gxyd opened this Issue Jul 9, 2015 · 0 comments

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gxyd commented Jul 9, 2015

Since

>>> Intersection(S.Reals, FiniteSet(n))
# returned unevaluated

Hence, I think above should also be returned unevaluated.

The similar though happens with

>>> Interval(1,4) - FiniteSet(n)
EmptySet()   

I am not having latest commits though.

@aktech aktech added the sets label Jul 9, 2015

@gxyd gxyd changed the title `S.Reals - FiniteSet(n)` returns EmptySet - FiniteSet(n) `S.Reals - FiniteSet(n)` returns `EmptySet - FiniteSet(n)` Jul 26, 2015

@hargup hargup closed this in #9682 Aug 11, 2015

skirpichev added a commit to skirpichev/diofant that referenced this issue Jun 19, 2016

skirpichev added a commit to skirpichev/diofant that referenced this issue Jun 26, 2016

skirpichev added a commit to skirpichev/diofant that referenced this issue Jul 16, 2016

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