摘要
从定义、基数和测度等方面讨论了稠密集与疏朗集之间的关系,使得学生更好地了解和掌握这个内容.
The relationship between the dense set and nowhere dense set is discussed from definition, cardinal number and measure, then makes students understand and master this content better.
出处
《高师理科学刊》
2016年第9期61-63,共3页
Journal of Science of Teachers＇College and University
关键词
基数
测度
稠密集
疏朗集
cardinal number
measure
dense set
nowhere dense set
