Question 3 Determine what rule of replacement was used: ((~A ·B) · (C v D)) V (~ ( ~ A · B) · ~ (C V D)) :: (~ A · B) = (C vD) A Exportation (Exp) Material Equivalence (Equiv) c De Morgan's Theorem (DeM) D Material Implication (Impl)

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A: 2nd and 4th options are correct.

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A: Thanks for the question :)And your upvote will be really appreciable ;)

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