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真值表是教材中提供的用来判断复合命题真假的一个工具,其内容如下: 其实它不光可以用来判断复合命题的真假, 还有其它方面的一些作用,现举例说明如下．
The truth table is a tool used to determine the true and false of the compound proposition. The content is as follows: In fact, it can not only be used to judge the true and false of the compound proposition, but also has some other effects.