contraposition

noun
con·​tra·​po·​si·​tion | \ ˌkän-trə-pə-ˈzi-shən How to pronounce contraposition (audio) \

Definition of contraposition

: the relationship between two propositions when the subject and predicate of one are respectively the negation of the predicate and the negation of the subject of the other

First Known Use of contraposition

1551, in the meaning defined above

History and Etymology for contraposition

Late Latin contraposition-, contrapositio, from Latin contraponere to place opposite, from contra- + ponere to place — more at position

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The first known use of contraposition was in 1551

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Cite this Entry

“Contraposition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contraposition. Accessed 6 Aug. 2020.

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Britannica.com: Encyclopedia article about contraposition

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