Word Count : 234

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A tautology is a logical statement that is always true, regardless of the truth values of the components involved. It is a formula that is valid in all possible interpretations. For example, the statement "P ∨ ¬P" (P or not P) is a tautology because, for any truth value assigned to P, the statement will always be true. __________ ___ ___ _________ _________ ____ ______.
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