VDict - Definition of tautology

English - English (Wordnet) dictionary (also found in English - Vietnamese, Computing (FOLDOC))

tautology

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Noun

useless repetition
- to say that something is `adequate enough' is a tautology

(logic) a statement that is necessarily true
- the statement `he is brave or he is not brave' is a tautology

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Words pronounced/spelled similarly to "tautology":
tautologic tautology teleology theology

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