contraposition Meaning, Definition & Usage

Con"tra*po*si"tion noun

Etymology

Pref. contra- + position: cf. f. conterposition.

Definitions

1. A placing over against; opposite position. Obs. F. Potter.
2. (Logic) 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.