If A = (1,2,3,4,5), then the number of proper subsets of A is -

Question

Maliyah Stein

Mathematics

14 March, 13:28

If A = (1,2,3,4,5), then the number of proper subsets of A is -

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William Erickson · Answer 1

Answer: One of them is the set {1,2,3,4,5,6}itself; one is the empty set, containing no elements. "Proper subset of a set " usually denotes a subset in which at least one element of the original set is missing; so one of the subsets - the original set iitself - is not a proper subset. Therefore the answer is 63.