5. Prove that if V is open in a separable metric space X, then there are open...

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5. Prove that if V is open in a separable metric space X, then there are open balls Bl, B2 , ••• such that V= U Bj .

jEN Prove that every open set in R is a countable union of open intervals.

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An Introduction To Analysis

ISBN: 9780131453333

3rd Edition

Authors: William R. Wade

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5. Prove that if V is open in a separable metric space X, then there are open...

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An Introduction To Analysis

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