Let (X,τ) is a topological space and A ⊆ X. If all subsets of A are closed in X, then set A cannot have a limit point.
Let (X,τ) is a topological space and A ⊆ X. If all subsets of A are closed in X, then set A cannot have a limit point.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter7: Real And Complex Numbers
Section7.1: The Field Of Real Numbers
Problem 2TFE: Label each of the following statements as either true or false.
Every upper bound of a nonempty set ...
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Let (X,τ) is a topological space and A ⊆ X. If all subsets of A are closed in X, then set A cannot have a limit point.
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