CONTRAPOSITION


Meaning of CONTRAPOSITION in English

■ noun Logic conversion of a proposition from all A is B to all not-B is not-A .

Derivatives

contrapositive adjective &noun

Origin

C16: from late L. contrapositio(n-) , from contraponere 'place against'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.