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Prove-that-A-A-c-A-




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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