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ExamsJEE AdvancedMaths

The compound statement ~(p OR q) OR (~p AND q) is logically equivalent to:

  1. p
  2. ~p
  3. q
  4. ~q

Correct answer: ~p

Solution

Using De Morgan, ~(p OR q) = ~p AND ~q; combining with ~p AND q and factoring ~p gives ~p AND (~q OR q) = ~p.

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