期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
卷号：4
期号：5
页码：3080
DOI：10.15680/IJIRSET.2015.0405166
出版社：S&S Publications
摘要：In this paper, we study some important application of mathematical analysis using open intervals andclosed intervals. We define some definitions on interior point,open interval.
关键词：Open interval ; interior point; open set; closed set.
