Mathematics, 05.07.2019 17:30 Sk8terkaylee
Consider a universe set u. let a, b be two sets in the universe (a, b ⊆ u). let |u| = n. (a) how many ways can i choose sets a and b such that a ⊆ b? [hint: think about how many ways can i form those sets. consider an element u1 in the universe u. it can either be in u \ b, in b \ a, or a ( what about the other elements in u? ] (b) how many ways can i choose sets a and b such that a ⊂ b?
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Consider a universe set u. let a, b be two sets in the universe (a, b ⊆ u). let |u| = n. (a) how man...
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