🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsРусскийالعربية한국어中文日本語EntityQ83491· pop 18· linked from 127 articlesRichard's paradoxapparent contadiction in metamathematicsAvailable in 18 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةArmenianConnectionssemantic theory of truthEntitymathematical logicEntityCategoriesEponymous paradoxesMathematical paradoxesSelf-referential paradoxes