Home›Browse›separated sets🌐EnglishEnglishDeutschEspañolNederlandsPortuguêsРусскийالعربية한국어中文日本語EntityQ257272· pop 13· linked from 30 articlesseparated setsSign in to savetype of relation for subsets of a topological spaceWikidata factsSubclass ofsubsetSources (3)wikidata.orgdocs.openalex.orgweb.archive.orgvia Wikidata · CC0Available in 13 languagesEspañolDeutsch中文日本語РусскийPortuguêsالعربيةFinnishNederlandsRomanianzh_classical한국어via Wikidata sitelinks · CC0