contraposition

noun con·tra·po·si·tion \ ˌkän-trə-pə-ˈzi-shən \

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

Origin and Etymology of contraposition

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


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allowing a liquid or gas to pass through

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