摘要
介绍了涉及集合笛卡儿积(Cartesian product)的运算性质讨论的一种类似于文氏图(Venn diagram)的方法.
This paper introduce the method which deals the operate nature of set with Cartesian product, and it is similar to Venn diagraph in set theory.
出处
《大学数学》
北大核心
2005年第4期131-133,共3页
College Mathematics
关键词
笛卡儿积
文氏图
集合运算
Descartes product
Venn diagraph
operation of sets
