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De Morgan's laws

  • 德摩根定律

网络释义英英释义

短语

De Morgan's laws 德摩根定律 ; 德·摩根定律 ; 摩根定律

De Morgan's laws

  • abstract: In propositional logic and boolean algebra, De Morgan's lawsCopi and CohenHurleyMoore and Parker are a pair of transformation rules that are both valid rules of inference. The rules allow the expression of conjunctions and disjunctions purely in terms of each other via negation.

以上来源于: WordNet

 柯林斯英汉双解大词典 

De Morgan's laws

  • 1. 

    N-PLURAL (in formal logic and set theory) the principles that conjunction and disjunction, or union and intersection, are dual. Thus the negation of P & Q is equivalent to not-P or not-Q (在形式逻辑和集合论中的)德摩根定律

双语例句

  • Listing 4 illustrates the application of DE Morgan's laws to an expression.

    列表4演示了对一个表达式德摩根定律的应用。

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