Bible Dictionaries
Contraposition

Webster's Dictionary

(1):

(n.) A placing over against; opposite position.

(2):

(n.) A so-called immediate inference which consists in denying the original subject of the contradictory predicate; e.g.: Every S is P; therefore, no Not-P is S.

Bibliography Information
Webster, Noah. Entry for 'Contraposition'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/contraposition.html. 1828.