Mathematics, 30.07.2019 17:30, keilyn80

Let x = {1, 2} and let y = {3, 4}. define f : p(x) × p(y ) ? p(x ? y ) by f(a, b) = a ? b.
(a) find (a, b) ? p(x) × p(y ) such that f(a, b) = {2, 3}.
(b) find (a, b) ? p(x) × p(y ) such that f(a, b) = {2, 3, 4}.
(c) given c ? p(x ? y ), find (a, b) ? p(x) × p(y ) such that f(a, b) = c.

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Let x = {1, 2} and let y = {3, 4}. define f : p(x) × p(y ) ? p(x ? y ) by f(a, b) = a ? b.
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