Home›General topology›فضاء قابل للعد الثاني🌐العربيةEnglishEspañolFrançaisPortuguêsTiếng ViệtРусскийالعربية한국어中文日本語EntityQ1363919· pop 12· linked from 184 articlesفضاء قابل للعد الثانيAlso known as completely separable space, second axiom of countabilitytopological space whose topology admits a countable baseAvailable in 12 languagesEspañolFrançais中文日本語РусскийCatalanDanishGalicianTiếng ViệtUkrainianConnectionsmetrizable spaceEntityquotient topological spaceEntityCategoriesGeneral topologyProperties of topological spaces