Sum
Determine the truth value of the following statement.
4 + 5 = 7 or 9 − 2 = 5
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Solution
Let p : 4 + 5 = 7
q : 9 – 2 = 5
The truth values of p and q are F and F respectively. The given statement in symbolic form is p ∨ q.
∴ p ∨ q ≡ F ∨ F ≡ F
∴ Truth value of the given statement is F.
Concept: Mathematical Logic - Truth Value of Statement in Logic
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