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A. (ii)
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B. (iv)
C. (i)
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E. (iii)
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FUO.sh
sh the exam.
Find the negation of
ExVy (P(x,y) ¬Q(x, y))
(i) Vxy (P(x, y) ↔ ¬Q(x, y))
(ii) xVy(P(x,y)Ð ¬Q(x,y))
(iii) Vxy (P(x,y) Ð ¬Q(x,y))
(iv) 3xVy (P(x, y) ↔ Q(x, y))
