tautology

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Noun tautology has 2 senses

tautology - (logic) a statement that is necessarily true; "the statement `he is brave or he is not brave' is a tautology"
--₁ is a kind of truth, true statement
tautology - useless repetition; "to say that something is `adequate enough' is a tautology"
--₂ is a kind of repetitiveness, repetitiousness

tautoga tautoga onitis tautogolabrus tautogolabrus adspersus tautologic tautological tautologies tautologous tautology tauwhare tav tavail tavakoli tave tavelling tavern-type tavern

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