Home›Classical logic›law of noncontradiction🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийالعربيةفارسیहिन्दीไทย한국어中文日本語EntityQ868437· pop 35· linked from 137 articleslaw of noncontradictionAlso known as law of non-contradictiontheorem of logicAvailable in 35 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीConnectionssemantic theory of truthEntitylogicEntityCategoriesClassical logicTheorems in propositional logic