Whether or not to accurately test the 18th conditional in a long method is a matter of judgment.

是否真的要测试长方法中的第18个条件，是个判断问题。

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So new and scientific definitions should be given; it is wrong to regard so-called" conditional modus judgment" as the third form of modus judgment, which should be cancelled.

首先，定义缺乏严密的逻辑性，其次，把“充分必要条件假言判断”当作是假言判断的第三种形式，也不正确。

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