Mark the correct alternative in the following: For any set A, (A’) is equal to

Question

Philoid · Accepted Answer

Here, Question is

Now, A'=U∖A

⇒(A' )'=(U∖A)'=U'∖A'

⇒(A' )'=U'∖(U∖A)

⇒(A' )'=ϕ∖U+A

⇒(A' )'=A