Which of the following is true? Select one: O A. A subcover of a cover (E.)aɛI of M is a cover (Sa)acl of M such that Sa C Ea for all a e I. O B. A cover of M is a collection of open sets (E,)act such that M C U E, ael O C. An open cover of M is a collection (E.)act of subsets Ea of M such that U E, is an open subset of M. D. An open cover (E)ael of M is called finite if the index set I is finite.
Which of the following is true? Select one: O A. A subcover of a cover (E.)aɛI of M is a cover (Sa)acl of M such that Sa C Ea for all a e I. O B. A cover of M is a collection of open sets (E,)act such that M C U E, ael O C. An open cover of M is a collection (E.)act of subsets Ea of M such that U E, is an open subset of M. D. An open cover (E)ael of M is called finite if the index set I is finite.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.1: Sets
Problem 6E: 6. Determine whether each of the following is either , , , or , where is an arbitrary subset of the...
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