🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربية한국어中文日本語EntityQ320346· pop 25· linked from 201 articlesclosureAlso known as set closurein a topological space, the smallest closed set containing a given setAvailable in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBasqueConnectionssubsetEntitycontinuous functionEntityCategoriesClosure operatorsGeneral topology