Home›Browse›non-constructive proof🌐EnglishEnglishPolskiРусский中文EntityQ15938179· pop 5non-constructive proofSign in to saveAlso known as nonconstructive proofWikidata factsSubclass ofmathematical proofShow 3 more factsmaintained by WikiProjectWikiProject Mathematicsopposite ofconstructive prooffacet ofexistence theoremvia Wikidata · CC0Available in 5 languages中文РусскийPolskiUkrainianvia Wikidata sitelinks · CC0