1 离散数学 离散数学 ( ( Discrete Discrete Mathematics Mathematics ) ) 张捷第三章 集合与关系 (Sets and Relations) 3.6 关系的闭包运算(Closure Operations) 3.7 集合的划分与覆盖(Partition & Cover of Sets) 3.8 等价关系(Equivalent Relations) 3.9 相容关系(CompatibilityRelations) 3.10 序关系(Ordered Relations) 3.1 集合及其运算(Sets & Operations with sets) 3.2 序偶与笛卡尔积(Ordered Pairs & Cartesian Product) 3.3 关系 (Relations) 3.4 关系的性质(The Propeties of Relations) 3.5 复合关系与逆关系(Compound Relations & Inverse Relations)3.5 复合关系与逆关系(Compound Relations & Inverse Rel