Question: Problem 8. Let f be an arbitrary function f : X - Y and let A and B both be arbitrary subsets of X. (a)

Problem 8. Let f be an arbitrary function f : X

Problem 8. Let f be an arbitrary function f : X - Y and let A and B both be arbitrary subsets of X. (a) Show that f[A] \\ f[B] C f [A \\ B] (b) Show that if f is one-to-one, then f[A] \\ f [B] = f [A \\ B]

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