MCQ
Given below are four statements along with their respective duals. Which dual statement is not correct?
  • A
    (∼p ∧ q) ∨ p, (∼p ∨ q) ∧ p
  • B
    (p ∨ ∼q) ∧ r, (p ∧ ∼q) ∨ r
  • (p ∨ q) ∨ s, (p ∨ q) ∨ s
  • D
    (∼p ∧ q) ∨ (r ∧ s), (∼p ∨ q) ∧ (r ∨ s)

Answer

Correct option: C.
(p ∨ q) ∨ s, (p ∨ q) ∨ s
C

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