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Question
Write the negation of the following statements:
Suresh lives in Bhopal or he lives in Mumbai.
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Solution
Let p: Suresh lives in Bhopal
And q: Suresh lives in Mumbai
Then the disjunction in (i) is given by p ∨ q.
Now ~ p: Suresh does not live in Bhopal.
~ q: Suresh does not live in Mumbai.
Therefore, using (D8), negation of p ∨ q is given by
~ ( p ∨ q ): Suresh does not live in Bhopal and he does not live in Mumbai.
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