Home›Computability theory›Post correspondence problem🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsTürkçeفارسی中文EntityQ798572· pop 16· linked from 25 articlesPost correspondence problemAlso known as Post's correspondence problemundecidable decision problemWikidata factsShow 1 more facttime of discovery or invention1946-00-00Sources (2)wikidata.orgpl.wikipedia.orgvia Wikidata · CC0Available in 16 languagesEspañolFrançaisDeutsch中文PortuguêsCzechHebrewIcelandicNederlandsNorwegianConnectionsInternational Standard Book NumberEntitydigital object identifierEntityCategoriesComputability theoryTheory of computationUndecidable problems