Consider the following if p and q are two statements.
(A) ~(p∧q) ≡ ~p∨~q
(B) ~(p∨q) ≡ ~p∧~q
(C) p∧~p ≡ T
(D) (p ⇒ q) ≡ p∧~q
(E) p∨q ≡ ~p∨~q
Choose the correct answer from the options given below :
1
(A), (B) and (D) Only
2
(A), (C) and (D) Only
3
(C), (D) and (E) Only
4
(A), (B) and (C) Only