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UGC-NET | UGC-NET CS 2017 Dec 2 | Question 49

  • Last Updated : 15 Mar, 2018

(A) (1)
(B) (2)
(C) (3)
(D) (4)

Answer: (B)

Explanation: ince logic says that there exist some x for which H(x) is true, So the negation for this will be for all x H(x) is not true. We can write it:

¬∃xH(x) =∀x¬H(x)

So, option (B) is correct.

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