摘要
归纳出孤立点集及其导集的6个性质;还通过几个实例讨论了孤立点集之导集的可数性问题.
In this paper,six properties of isolated set and its derived set are summed up.And by some exam-ples,the countability of derived set of isolated set is discussed
出处
《肇庆学院学报》
2010年第5期5-7,共3页
Journal of Zhaoqing University
关键词
孤立点
导集
CANTOR集
可数集
不可数集
isolated point
derived set
Cantorset
countable set
non-countable set
