UGC NET CS 2018 July - II Question 85

85. The equivalence of

¬ ∃ x Q (x) is :
(1) ∃ x ¬ Q (x) (2) x ¬ Q (x) (3) ¬ ∃ x ¬ Q (x) (4) x Q (x)

Answer: 2

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UGC NET CS 2018 July - II Question 84	UGC NET CS 2018 July - II Question 86