🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsРусскийفارسی中文日本語EntityQ1932759· pop 14· linked from 31 articlesstructural inductionform of mathematical proofAvailable in 14 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsNederlandsPolskiSerbianConnectionswell-founded relationEntitysemantic theory of truthEntityCategoriesGraph theoryLogic in computer scienceMathematical inductionMathematical logicMathematical proofsWellfoundedness