| 释义 |
OR
“或”；运筹学
1. A logic operator having the property that if P is a statement, Q is a statement, R is a statement, … then the OR of P,Q,R,…,is true if at least one statement is true, false if all statements are false. P OR Q is often represented by P+Q, P∨Q.
一种逻辑算符,具有如下性质:如果P,Q,R各是一个命题,其中至少一个命题为真,则P,Q,R的 “或”为真;如果所有三个命题全为假,则P,Q,R的“或”为假。P“或”Q常用P+Q,P∨Q来表示。 同inclusive OR, Boolean add。 对照exclusive OR。2. Operations Research的缩写。 |