5. If {T,} is a family of topologies on X, show that Ta is a topology on X. Is UT, a topology on X? Discuss your answer.
5. If {T,} is a family of topologies on X, show that Ta is a topology on X. Is UT, a topology on X? Discuss your answer.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.2: Mappings
Problem 9TFE: Label each of the following statements as either true or false.
9. Composition of mappings is an...
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