contraposition
placement opposite or against.
opposition, contrast, or antithesis.
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
1Words Nearby contraposition
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use contraposition in a sentence
We have given examples and illustrations in the paragraph describing Conversion by contraposition.
Thought-Culture | William Walker AtkinsonIn this it differs from Obversion, Conversion, and contraposition, each of which stands for one process.
Logic | Carveth ReadA further process, known as contraposition or Conversion by Negation, consists of conversion following on obversion.
They are all remarkable for harmonies attained by certain combinations of shade in gradations with colours in contraposition.
It is for dealing with these intractable moods that contraposition is required.
Logic, Inductive and Deductive | William Minto
British Dictionary definitions for contraposition
/ (ˌkɒntrəpəˈzɪʃən) /
the act of placing opposite or against, esp in contrast or antithesis
logic the derivation of the contrapositive of a given categorial proposition
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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