contradictory
Definition from Wiktionary, the free dictionary
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English [edit]
Pronunciation [edit]
Adjective [edit]
contradictory (comparative more contradictory, superlative most contradictory)
- That contradicts something, such as an argument.
- That is itself a contradiction.
- That is diametrically opposed to something.
- Mutually exclusive.
- Tending to contradict or oppose, contrarious
Derived terms [edit]
Related terms [edit]
Synonyms [edit]
- opposite
- (mutually exclusive) incompatible
Translations [edit]
that contradicts something
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that is itself a contradiction
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that is diametrically opposed to something
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mutually exclusive
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tending to contradict, contrarious
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- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.
Translations to be checked
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Noun [edit]
contradictory (plural contradictories)
- (logic) Any of a pair of propositions, that cannot both be true or both be false.
- 2001, Mark Sainsbury, chapter 1, Logical Forms — An Introduction to Philosophical Logic, edition 2nd, Blackwell Publishing, ISBN 978-0-63121-679-7, §4, page 20:
- If one proposition is the negation of another, it follows trivially from the definition that the two propositions are contradictories. The converse does not hold. Two propositions can be contradictories without either being the negation of the other. For example:
3) John is more than six feet tall
and
4) John is either exactly six feet tall or else less than six feet tall
are contradictories, but neither is the negation of the other. Negation is one way, but not the only way, of forming a contradictory.
- If one proposition is the negation of another, it follows trivially from the definition that the two propositions are contradictories. The converse does not hold. Two propositions can be contradictories without either being the negation of the other. For example:
- 2001, Mark Sainsbury, chapter 1, Logical Forms — An Introduction to Philosophical Logic, edition 2nd, Blackwell Publishing, ISBN 978-0-63121-679-7, §4, page 20:
Hyponyms [edit]
Translations [edit]
any of a pair of propositions, that cannot both be true or both be false
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