If A and B are compact set, then A∩B is compact set.
How to prove this problem?.
I know compact, but not use to this problem...
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What are $A$ and $B$? Are they subsets of the Euclidean space? – gradstudent Apr 10 '16 at 13:03
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1It's false in general, so what's the context? – Henno Brandsma Apr 10 '16 at 13:03