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 obversion [ɑb'vɚʃən]   添加此单词到默认生词本
n. 转向, 形成对立




    Obversion \Ob*ver"sion\ ([o^]b*v[~e]r"sh[u^]n), 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.

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