摘要
证明了集合上的等价关系与由此产生的商集所确定的等价关系的同一性;证明了集合的划分与它确定的等价关系所产生的商集的同一性.
This paper proves that the equivalence relation of a set is the same as that resulted from the quotient set. It also illustrates the identity of partition of a set and quotient set derived from the equivalence relation.
出处
《保定学院学报》
2009年第4期23-24,共2页
Journal of Baoding University
关键词
等价关系
集合的划分
商集
equivalence relation
partition of a set
quotient set