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Webster 1913 Edition


Obversion

Ob-ver′sion

(ŏb-vẽr′shŭn)
,
Noun.
[L.
obversio
a turning towards.]
1.
The act of turning toward or downward.
2.
(Logic)
The act of immediate inference, by which we deny the opposite of anything which has been affirmed;
as, all men are mortal; then, by
obversion
, no men are immortal
. This is also described as “immediate inference by privative conception.”
Bain.