contrapositive

[ kon-truh-poz-i-tiv ]
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adjective
  1. of or relating to contraposition.

noun
  1. a contrapositive statement of a proposition.

Origin of contrapositive

1
First recorded in 1855–60; contraposit(ion) + -ive

Words Nearby contrapositive

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How to use contrapositive in a sentence

British Dictionary definitions for contrapositive

contrapositive

/ (ˌkɒntrəˈpɒzɪtɪv) /


adjective
  1. placed opposite or against

noun
  1. logic

    • a conditional statement derived from another by negating and interchanging antecedent and consequent

    • a categorial proposition obtained from another, esp validly, by any of a number of operations including negation, transferring the terms, changing their quality, and also possibly weakening from universal to particular

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