考点1:集合与常用逻辑用语考查要点高考常考查集合本身的基础知识,考查四种命题之间的关系及真假判断、充要条件的判定、全称命题与特称命题的否定及其真假判断等内容.此类问题在高考中常以选择题或填空题的形式出现,属于容易题.预测考题1设集合U={x|x∈N,x≤6},M= Test points 1: a set of commonly used logical terms and test points The college entrance examination often check the basic knowledge of the set itself to examine the relationship between the four propositions and true and false judgments, the necessary and sufficient conditions to determine the full name of the proposition and the special proposition of the negative and true and false Judgments, etc. Such questions often appear in the college entrance examination in the form of multiple choice questions or fill in the blank, which is easy question predictive test 1 set U = {x | x∈N, x ≤ 6}, M =