🌐EnglishEnglishDeutschEspañolFrançaisItaliano日本語EntityQ260168· pop 7· linked from 33 articlesprovability logicmodal logicAvailable in 7 languagesEspañolFrançaisDeutsch日本語ItalianoHungarianvia Wikidata sitelinks · CC0ConnectionslogicEntityKurt GödelEntityCategoriesModal logicProof theoryProvability logic