Home›Browse›common knowledge🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsРусский中文日本語EntityQ372650· pop 11· linked from 36 articlescommon knowledgeSign in to savein a mathematical game, a statement that players know and also know that other players know (ad infinitum)Available in 11 languagesEspañolFrançaisDeutsch日本語РусскийPortuguêsItalianoGreekHungarianNederlandsvia Wikidata sitelinks · CC0