- #1
ehrenfest
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Homework Statement
I have seen two definitions for the topology generated by a basis set:
one here http://books.google.com/books?id=9c...j81v&sig=nNFNyWXorlwCQ8WCwQBDTuI9HUc#PPA22,M1
and the other one is
a set U is open if for every x in U, there is a basis element Bi with x in Bi in U
Are they equivalent?