“not or”的概念、定义、习题解题方法及翻译-数学辞典

单词

not or

释义

not or

If p and q are statements, then ‘p not or q', denoted by p ↓ q, is true only when both p and q are false. Since ‘not or' is cumbersome language, this is often referred to as ‘nor' in logic. The truth table is as follows:

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数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。