摘要
本文以准开集为基础，定义了准邻城，准内部，准闭包等概念，并讨论它们的一些性质．
in this paper, pre-neighborhood, pre-interior, pro-closure of a set have been defined by means of pre-open set and some properties relate them have been discussed.
出处
《湛江师范学院学报》
1997年第2期20-21,共2页
Journal of Zhanjiang Normal College
关键词
准开集
准邻域
准内部
准闭包
pre-open set pre-neightborhood pre-interior pro-closure
