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Question
Write the negation of the following statement.
I will have tea or coffee.
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Solution
Let p : I will have tea.
q : I will have coffee.
The given statement in symbolic form is p ∨ q.
Its negation is ~(p ∨ q) ≡ ~p ∧ ~q.
∴ The negation of given statement is ‘I will not have tea and coffee’.
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