Math, asked by saikhrafiuddinpel8bq, 1 year ago

proof complement of A set's complement = A

Answers

Answered by mira1219
4
Prove the law of double complements for sets:

If AA is a set and A∁A∁ is its complement than prove that:

(A∁)∁=A(A∁)∁=A

I started with:

A∁=U−AA∁=U−A

where U is the universal set.
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