Home›Browse›Category:Formal logic🌐EnglishEnglishFrançaisItalianoالعربية中文EntityQ32084903· pop 10Category:Formal logicSign in to saveWikimedia categoryWikidata factsInstance ofWikimedia categoryShow 1 more factcategory's main topicformal logicvia Wikidata · CC0Available in 12 languagesFrançais中文العربيةAbkhazianAzerbaijaniBasquebe_x_oldCroatianIdoLojbanManxvia Wikidata sitelinks · CC0