obversion
ɒb'vә:ʃәn
基本解释
n. 转向, 形成对立
英文释义
n. The act of turning toward or downward.
n. 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."
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