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 = ∅.
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)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.CM: Cumulative Review
Problem 24CM
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Question
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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