1 Answered Questions for the topic Closed Set

Closed Set Proofs Sets Index

06/06/18

How do I prove that a set of closed sets is itself closed.
Hi, I have been asked the following but am struggling.   Let {Ωa : a ∈ I} be an arbitrary family of closed sets Ωa ⊆ Rd with an index set I. Prove that   ∩     Ωa a ∈ I   is a closed... more
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