Home›Closure operators›درون🌐فارسیEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربيةفارسی한국어中文日本語EntityQ862761· pop 27· linked from 316 articlesدرونAlso known as interior of a set, open kernel, topological interior, geometric interiorتوپولوژیAvailable in 27 languagesEspañolFrançais中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaCatalanChuvashConnectionsNicolas BourbakiEntitycomplementEntityCategoriesClosure operatorsGeneral topology