English dictionary



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English noun: tautology

1. tautology (communication) (logic) a statement that is necessarily true


SamplesThe statement `he is brave or he is not brave' is a tautology.


Broader (hypernym)true statement, truth


Domain categorylogic

2. tautology (communication) useless repetition


SamplesTo say that something is `adequate enough' is a tautology.


Broader (hypernym)repetitiousness, repetitiveness









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