contraposition

[ kon-truh-puh-zish-uhn ]
See synonyms for contraposition on Thesaurus.com
noun
  1. placement opposite or against.

  2. opposition, contrast, or antithesis.

  1. Logic. the inference drawn from a proposition by negating its terms and changing their order, as by inferring “Not B implies not A” from “A implies B.”

Origin of contraposition

1
First recorded in 1545–55, contraposition is from the Late Latin word contrāposition- (stem of contrāpositiō). See contra1, position

Words Nearby contraposition

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How to use contraposition in a sentence

British Dictionary definitions for contraposition

contraposition

/ (ˌkɒntrəpəˈzɪʃən) /


noun
  1. the act of placing opposite or against, esp in contrast or antithesis

  2. logic the derivation of the contrapositive of a given categorial proposition

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