tautology
Definition from Wiktionary, a free dictionary
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[edit] English
[edit] Etymology
From Late Latin tautologia, from Ancient Greek ταὐτολογία (tautologia)
[edit] Pronunciation
[edit] Noun
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Singular |
Plural |
tautology (countable and uncountable; plural tautologies)
- (uncountable, rhetoric) redundant use of words
- It is tautology to say, "Forward Planning".
- (countable, rhetoric) An expression that features tautology.
- (countable, logic) A statement that is true for all values of its variables
- Given a Boolean A, "A OR (NOT A)" is a tautology.
[edit] Antonyms
- (linguistics: expression): contradiction in terms
- (in logic): contradiction
- (literary): oxymoron
[edit] Derived terms
terms derived from tautology (noun)
[edit] Translations
uncountable: redundant use of words
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expression that features tautology
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in logic
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