ile:0010-关系幂运算和关系闭包.flv file:0022-无向图与有向图的连通性.flv file:0014-集合论习题课(1-3章).flv file:0043-二元运算及其性质(2).flv file:0060-群的分解及正规子群.flv file:0125-一阶谓词演算的形式系统KL (I).flv file:0087-棋盘多项式.flv file:0076-多项式定理、组合计数应用.flv file:0001-集合论与图论课程引言.flv file:0003-预备知识（一阶谓词逻辑）.flv file:《离散数学教程》-+屈婉玲_耿素云_王捍贫.pdf file:0004-集合的概念和集合之间的关系.flv file:0006-基本的集合恒等式.flv file:免费--离散数学学习指导与习题解析_屈婉玲_耿素云_张立昂.pdf file:工程目录.txt