contradiction in terms

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Related to contradiction in terms: oxymoron
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Noun1.contradiction in terms - (logic) a statement that is necessarily false; "the statement `he is brave and he is not brave' is a contradiction"
logic - the branch of philosophy that analyzes inference
antinomy - a contradiction between two statements that seem equally reasonable
paradox - (logic) a statement that contradicts itself; "`I always lie' is a paradox because if it is true it must be false"
falsehood, untruth, falsity - a false statement
References in classic literature ?
I maintain that the phrase, "a long poem," is simply a flat contradiction in terms.
If that seems a bit of a contradiction in terms, that's because it darn tootin' is, muchacho.
SIR - Monmouth MP David Davies's call for the Health Service in Wales to be run from London (Western Mail July 13) exposes the inherent contradiction in terms that is the Welsh Conservative Party.