tautology
English
Etymology
From (deprecated template usage) [etyl] Late Latin tautologia, from (deprecated template usage) [etyl] Ancient Greek ταὐτολογία (tautología) from ταὐτός (tautós, “the same”) + λόγος (lógos, “explanation”)
Pronunciation
- Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "UK" is not valid. See WT:LOL and WT:LOL/E. IPA(key): /tɔˈtɒl.ə.d͡ʒi/
- Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "GA" is not valid. See WT:LOL and WT:LOL/E. IPA(key): /tɔˈtɑl.ə.d͡ʒi/
- Rhymes: -ɒlədʒi
Noun
tautology (countable and uncountable, plural tautologies)
- (uncountable) Redundant use of words, a pleonasm, an unnecessary and tedious repetition.
- It is tautology to say, "Forward Planning".
- (countable) An expression that features tautology.
- The expression "raze to the ground" is a tautology, since the word "raze" includes the notion "to the ground".
- 1946, Bertrand Russell, History of Western Philosophy:
- Pure mathematics consists of tautologies, analogous to ‘men are men’, but usually more complicated.
- (countable, logic) In propositional logic: a statement that is true for all truth values of its propositional variables. In first-order logic: a statement that is true for all truth values of its Boolean atoms.
Antonyms
- (linguistics: expression): contradiction in terms
- (in logic): contradiction
- (literary): oxymoron
Coordinate terms
- (in logic): contingency, contradiction
Derived terms
terms derived from tautology (noun)
Translations
uncountable: redundant use of words
|
expression that features tautology
|
in logic
|
See also
- pleonasm
- redundancy
Tautology on Wikipedia.Wikipedia
Categories:
- English terms derived from Late Latin
- English terms derived from Ancient Greek
- English 4-syllable words
- English terms with IPA pronunciation
- Rhymes:English/ɒlədʒi
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- English terms with quotations
- en:Logic
- English words suffixed with -ology
- en:Rhetoric