🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtРусскийفارسی한국어中文日本語EntityQ840810· pop 22· linked from 202 articlestransfinite inductionmethod of proving that a certain property applies for all elements in a well-founded setAvailable in 22 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoCzechEsperantoFinnishConnectionssemantic theory of truthEntitymathematical logicEntityCategoriesMathematical inductionOrdinal numbersRecursion