Mathematics · Mathematical Logic
Which of the following Boolean expressions is NOT a tautology?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(¬p ⇒ q) ∨ (¬q ⇒ p)✓
- 2(p ⇒ ¬q) ∨ (¬q ⇒ p)
- 3(q ⇒ p) ∨ (¬q ⇒ p)
- 4(p ⇒ q) ∨ (¬q ⇒ p)
Correct answer
(¬p ⇒ q) ∨ (¬q ⇒ p)
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