Webster's Revised Unabridged Dictionary (1913 + 1828)


Displaying 1 result(s) from the 1913 edition:
Obversion (Page: 994)

Ob*ver"sion (?), n. [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.