Q. (p ↔ q) ↔ r = p ↔ (q ↔ r)

(A) absurdity
(B) contadiction
(C) tautology
(D) none

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✅ Correct Answer: (C) tautology

Published by Mr. Dubey ⭐ 111.54K Points at 17-Sep-2023 07:17 am in Discrete Structure (DS)

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