Proof Set is Countable : Bolzano-Weierstrass Theorem
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Given S is a subset of R
Suppose S' (set of all accumulation points in S) = emptyset
Prove S is countable.
I think I am supposed to use the Bolzano-Weierstrass Theorem but I can't figure out how to apply it.© BrainMass Inc. brainmass.com March 6, 2023, 1:18 pm ad1c9bdddf
Bolzano-Weierstrass Theorem : Every bounded infinte set in R has an accumulation point.
We have another basic fact for countable set: the union of countable ...
The Bolzano-Weierstrass Theorem is applied to proving a set is countable. The proof is concise.