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GATE | GATE CS 1996 | Question 28

Which of the following is false? Read ∧ as AND, ∨ as OR, ∼ as NOT, → as one way implication and ↔ as two way implication.
(A) ((x→y) ∧ x)→ y
(B) ((∼x→y) ∧ (∼x→∼y))→ x
(C) (x→ (x ∨ y))
(D) ((x ∨ y) ↔ (∼x→∼y))

Answer: (D)
Explanation:
Quiz of this Question
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