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Question 6Asked in UGC NET Computer Science, November 2017 (Paper II & III, Selected Questions)

Negation of the proposition ∃ x H(x) is :

  1. A∃x ¬H(x)
  2. B∀x ¬H(x)
  3. C∀x H(x)
  4. D¬x H(x)
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Correct answer: (B) ∀x ¬H(x)

Explanation

Proposition: ∃x H(x). Negation: ¬∃x H(x) ≡ ∀x ¬H(x).

From UGC NET Computer Science PYQ, November 2017 (Paper II & III, Selected Questions)

This is question 6 of UGC NET Computer Science PYQ, November 2017 (Paper II & III, Selected Questions). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.