prove or disppprove. Suppose A & B are sets. (1) A function f has an inverse...

prove or disppprove.

Suppose A & B are sets.

(1) A function f has an inverse iff f is a bijection.

(2) An injective function f:A->A is surjective.

(3) The composition of bijections is a bijection.

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Expert Solution

Colby Messinger answered 1 month ago

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