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选言证明
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选言证明
xuǎn yán zhèng míng
运用选言直言推理所作的证明。间接证明的一种。以论题为一个选言支,构造一个穷尽该问题一切可能的选言判断,并断定除该选言支外,其他选言支都是假的,从而断定论题是真的。如为了证明电灯突然熄灭是因为灯泡坏了,可以构造选言判断如下:“电灯突然熄灭,或者是因为停电,或者是因为保险丝烧断,或者是因为线路发生故障,或者是因为灯泡坏了。”然后根据事实断定前三个选言支为假,从而断定论题是真的。
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work nights
work nimbly
work noise
work, non-metallic
work norm
work note
work notice
Work Objective
work obligation
work obligation expenses
work occupation time
workod structure
work of adhesio
work of adhesion
work of adhesion per unit area
work of are
work of arranging
work-of-indentation method
work of introducing intellectual
Work of Invest Hong Kong
work of joint authorship
work of lawyer
work of art
work of art as appearance
work of art as intuition
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更新时间:2025/6/12 17:47:43