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The negation of p ∧ (q →r) is

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The negation of p ∧ (q → r) is

(A) p v (~ q v r) 

(B) ~ p ∧ (q → r) 

(C) ~ p ∧ (~ q → ~ r) 

(D) ~ p v (q ∧ ~ r)

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(D) 

~ [p ∧ (q → r)]

≡ ~p v ~(q → r) ….(Negation of conjunction) 

≡ ~p v (q ∧ ~r) .…(Negation of implication)

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