Submitted by György Chityil ... on Fri, 01/19/2018 - 18:00 Hierarchy: NounDescription: {{mathematics}} Either of two laws in {{l|en|set theory}} which state that:Ngram: De Morgan's lawNgram Text: De Morgan's lawSource: WiktionaryIssue: 0Wiktionary tag: set theoryNgram Count: 3Wikokit WikiText ID: 50146