contraposition

listen to the pronunciation of contraposition
Englisch - Englisch
The statement of the form "if not Q then not P", given the statement "if P then Q"
a placing opposite
{n} the act of placing against
A so-called immediate inference which consists in denying the original subject of the contradictory predicate; e
A placing over against; opposite position
{i} opposite, contrast; placement opposite or against
Every S is P; therefore, no Not-P is S
contraposition
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