Let (X, d) be a metric space and let A ⊆ X be a compact subset. show that, If B ⊆ X and d(A, B) = inf{d(a, b) : a ∈ A and b ∈ B} = 0 then A ∩ B = ∅.

Elementary Linear Algebra (MindTap Course List)
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ISBN:9781305658004
Author:Ron Larson
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Chapter5: Inner Product Spaces
Section5.CM: Cumulative Review
Problem 24CM
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Let (X, d) be a metric space and let A X be a compact subset.

show that,

If B X and d(A, B) = inf{d(a, b) : a A and b B} = 0 then A

B = ∅.

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