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Question Number 29014 by A.Ayo last updated on 03/Feb/18

Prove that A∪A^c =A

$${Prove}\:\:{that}\:{A}\cup{A}^{{c}} ={A} \\ $$

Commented by Tinkutara last updated on 03/Feb/18

A∪A′=U

$${A}\cup{A}'={U} \\ $$

Commented by A.Ayo last updated on 03/Feb/18

please explain it

Commented by Tinkutara last updated on 04/Feb/18

This is complement law.

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