🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsSvenskaРусскийفارسی한국어中文日本語EntityQ176630· pop 12· linked from 93 articlesrelevance logicAlso known as relevant logicmathematical logic system that imposes certain restrictions on implicationAvailable in 12 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsCatalanSvenskaفارسی한국어Connectionslogical consequenceEntitythree-state logicEntityCategoriesNon-classical logicParaconsistent logicSubstructural logic