1本单元知识网络2本单元重点、难点、热点分析集合与简易逻辑知识在以前的教材中散见于各章,新教材将这些知识整合到一起,单独列为一章,置于高中数学教材之首,可见其地位之重要.实际上,集合与简易逻辑知识不仅是学习高中数学的基础,也是进一步学习近现代数学的必要基础知识.重 1 This unit’s knowledge network 2 This unit’s key points, difficulties, hot spot analysis sets, and simple logic knowledge are scattered in various chapters in previous textbooks. The new textbooks integrate these knowledge into a single chapter and are placed in the high school mathematics textbooks. First, we can see the importance of its position. In fact, knowledge of collections and simple logic is not only the basis for learning high school mathematics, but also the necessary basic knowledge for further study of modern mathematics.