Gate CS-2017-1 Question Paper With Solutions

Q. 18 The statement (¬ p) → (¬ q) is logically equivalent to which of the statements below?

I. p → q

II. q → p

III. (¬ q) ∨ p

IV. (¬ p) ∨ q

(A) I only

(B) I and IV only

(C) II only

(D) II and III only

Answer: (D)

Explanation: