closure The closure of a subset A of a topological space is the smallest closed subset containing A, or equivalently is obtained by including in it all the limit points of A. For example, if A is the set {x ∈ R: 1
closure
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。