Mathematics, 08.08.2019 02:20, apodoltsev2021

let a and b be sets in some universe u. pick true or false. a) (a – b) is a subset of a
b) (a – b) is a subset of b
c) the complement of the complement of a is equal to a
d) a union (b-a) = a union b

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let a and b be sets in some universe u. pick true or false. a) (a – b) is a subset of a
b) (a...