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词汇
NOR
释义
NOR
「反或」,「或非」
一种逻辑运算子,有如下特性:如果P是一个命题,Q是一个命题,R是一个命题...,当所有命题都为假时,结果为真。如果至少有一个命题为真,则运算结果为假。PNOR Q常常用OR和N符号的组合来表示,如~(PΛQ)。P NOR Q也称为既不是P也不是Q。
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更新时间:2026/10/19 11:50:55