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Question
Write the negation of the following.
Ramesh is intelligent and he is hard working.
Solution
Let p : Ramesh is intelligent.
q : Ramesh is hard working.
The given statement is p ∧ q.
Its negation is ~(p ∧ q) ≡ ~ p ∨ ~ q
∴ The negation of the given statement is ‘Ramesh is not intelligent or he is not hard-working.’
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