A ? b and g : a' ? b' be functions that are onto

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Reference no: EM13650529

Let f : A → B and g : A′ → B′ be functions that are onto. Define h : A × A′ → B × B′ as h(x, y) = (f (x), g(y)).
Prove that h is onto.

Reference no: EM13650529

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