tautology
tau·tol·o·gy
noun \tȯ-ˈtä-lə-jē\Definition of TAUTOLOGY
Examples of TAUTOLOGY
- “A beginner who has just started” is a tautology.
Origin of TAUTOLOGY
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Rhymes with TAUTOLOGY
tautology
noun (Concise Encyclopedia)In logic, a statement that cannot be denied without inconsistency. Thus, All bachelors are either male or not male is held to assert, with regard to anything whatsoever that is a bachelor, that it is male or it is not male. In the propositional calculus, even complicated symbolic expressions such as [(A B) (C ¬ B)] (C ¬ A) can be shown to be tautologies by displaying in a truth table every possible combination of T (true) and F (false) of its arguments A, B, C. A tautology can be purely formal (a statement form rather than a statement), and in some usages only such formal truths are tautologies.
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