| 释义 |
NOR
“或非”；［“反或”］
A logic operator having the property that if P is a statement, Q is a statement, R is a statement, …, then the NOR of P,Q,R,… is true if all statements are false, false if at least one statement is true. P NOR Q is often represented by a combination of OR and NOT symbols, such as~(P∨Q). P NOR Q is also called neither P nor Q.
一种逻辑运算符，它有如下特性： 如果P是一个命题，Q是一个命题，R是一个 命题……，当所有的命题都为假时，P，Q，R的NOR运算结果为真； 如果至少有一个命题为 真，则运算结果为假。P NOR Q常常用OR和NOT符号的组合来表示，如~(P∨Q)。P NOR Q也称 为既不是P也不是Q。同NOTOR。 |