Prove that sup(A) =1, inf(A) = . 5. (i) Let A, BCR be sets which are bounded above, such that AC B. Show that sup(A) < sup(B). (ii) Let A, B CR such that sup(A) < sup(B). Show that there exists b e B that is an upper bound of A. Show that this result does not hold if we instead assume that sup(A) < sup(B). 6. For A. B CR define
Prove that sup(A) =1, inf(A) = . 5. (i) Let A, BCR be sets which are bounded above, such that AC B. Show that sup(A) < sup(B). (ii) Let A, B CR such that sup(A) < sup(B). Show that there exists b e B that is an upper bound of A. Show that this result does not hold if we instead assume that sup(A) < sup(B). 6. For A. B CR define
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 23E
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Problem 5. (ii) please!
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