🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaTürkçeРусскийفارسی한국어中文日本語EntityQ1457052· pop 22· linked from 41 articleswell-ordering theoremAlso known as Zermelo theorem, Zermelo's theoremset-theoretic theorem or principle, equivalent to the axiom of choiceAvailable in 21 languagesEspañolFrançaisDeutsch中文РусскийItalianoCroatianCzechEsperantoEstonianHebrewConnectionsordinal numberEntitytransfinite inductionEntityCategoriesAxiom of choiceAxioms of set theoryTheorems in the foundations of mathematics