Sum
If A = {2, 3, 4, 5, 6, 7, 8}, determine the truth value of the following statement.
∀ x ∈ A, x2 + 2 ≥ 5.
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Solution
There is no x in A which satisfies x2 + 2 ≥ 5.
∴ The given statement is false.
∴ Its truth value is F.
Concept: Mathematical Logic - Truth Value of Statement in Logic
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