What does "contraposition" mean?

The statement of the form "if not Q then not P", given the statement "if P then Q".

What is a synonym for "contraposition"?

Common synonyms include: antagonism, antipathy, antithesis, backlash, bucking, challenge.

How do you pronounce "contraposition"?

Pronounced //ˈkɒntɹəpəˈzɪʃən//.

Contraposition

//ˈkɒntɹəpəˈzɪʃən// noun

noun ·Uncommon ·Advanced level

Definitions

Noun

1
The statement of the form "if not Q then not P", given the statement "if P then Q". countable
2
Opposition; contrast. countable, uncountable
"The expression “Allon” indicates the unique character of this relationship: that of being together in contraposition. I belong to the Allon, and yet detach myself from it."

Synonyms

All synonyms

antagonism antipathy antithesis backlash bucking challenge

Example

More examples

"These nabobs waltzed into the capital with an arrogance that was breathtaking. Their prefatorial deficit resulted in a polemical stance at absolute contraposition to the legislature’s puissance."

Etymology

From French contraposition.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.