N the principle that every proposition is either true or false, so that there is no third truth-value and no statements lack truth-value 排中原则 [logic]
Logic rules are made up of the law of Identity, non-contradiction, excluded middle add sufficient evidence.
逻辑规律是关于思维的逻辑形式的规律，它由同一律、不矛盾律、排中律和充足理由律组成。
The law of excluded middle is one of the basic laws of thought, which underlies all demonstrations in the classical logic.
排中律是思维的基本规律之一，它构成古典逻辑中所有证明的基础。
The laws of contradiction and excluded middle concerns no broad or narrow distinction in regard to their application scope.
矛盾律与排中律的适用范围并没有宽与窄的区别 ；
应用推荐