Home›Browse›Zermelo set theory🌐EnglishEnglishDeutschFrançaisItalianoNederlandsPortuguês한국어中文日本語EntityQ191853· pop 11· linked from 163 articlesZermelo set theorySign in to savesystem of set theory (in mathematics)Available in 11 languagesFrançaisDeutsch中文日本語PortuguêsItalianoEstonianNederlandsPiedmonteseUkrainianvia Wikidata sitelinks · CC0