n. 1 opposition or contrast. 2 Logic conversion of a proposition from all A is B to all not-B is not-A. contrapositive adj. & n.
[ LL contrapositio (as CONTRA-, ponere posit- place) ]
n. 1 opposition or contrast. 2 Logic conversion of a proposition from all A is B to all not-B is not-A. contrapositive adj. & n.
[ LL contrapositio (as CONTRA-, ponere posit- place) ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012