论文部分内容阅读
一、考纲要求理解逻辑联结词“或”、“且”、“非”的含义;理解四种命题及其相互关系;掌握充分条件、必要条件及充要条件的意义.二、基础知识1.判断“p且q”形式复合命题真假:“一假必假”.判断“p或q”形式复合命题真假:“一真必真”.判断“非p”形式复合命题真假:“真假相对”.2.p(?)q表示p是q的充分条件.q是p的必要条件.
1. The syllabus requires understanding the meaning of the logical conjunctions “or”, “and” and “not”; understanding the four propositions and their mutual relations; grasping sufficient conditions, necessary conditions, and the significance of necessary and sufficient conditions. Second, basic knowledge 1. Judging the “p and q” form of the compound proposition true and false: “a false must be false”. To judge the “p or q” form of the compound proposition true and false: “a true will be.” To judge the “non-p” form of the compound proposition true and false: “ True or false relative to ”.2.p(?)q means that p is a sufficient condition for q. q is a necessary condition for p.