Q. 11 Let p, q, r denote the statement “It is raining”, “It is cold”, and “It is pleasant”, respectively. Then the statement “It is not raining and it is pleasant, and it is not pleasant only if it is raining and it is cold” is represented by:
(A) (¬ p ∧ r) ∧ ((¬ r → (p ∧ q))
(B) (¬ p ∧ r) ∧ ((p ∧ q) → ¬ r)
(C) (¬ p ∧ r) ∨ ((p ∧ q) → ¬ r)
(D) (¬ p ∧ r) ∨ ((r → (p ∧ q))
Answer: (A)
Explanation:
