🌐EnglishEnglishEspañolFrançaisItalianoPortuguêsTürkçeРусскийفارسی中文日本語EntityQ2387196· pop 11· linked from 37 articlesPeirce's lawAxiom used in logic and philosophyAvailable in 10 languagesFrançais中文日本語РусскийPortuguêsItalianoSerbianUkrainianفارسیvia Wikidata sitelinks · CC0Connectionsexistential graphEntitylogicEntityCategoriesCharles Sanders PeirceIntuitionismMathematical logicTheorems in propositional logic