For any set A, (A′)′ is equal to
(a) \(A’\)
(b) \(A\)
(c) \(\phi\)
(d) none of these
Solution
By the double complement law,
\[ (A’)’=A \]
Hence, the complement of the complement of a set is the set itself.
Answer
\[ \boxed{A} \]
Correct option: (b)
(a) \(A’\)
(b) \(A\)
(c) \(\phi\)
(d) none of these
By the double complement law,
\[ (A’)’=A \]
Hence, the complement of the complement of a set is the set itself.
\[ \boxed{A} \]
Correct option: (b)