Submitted by György Chityil ... on Fri, 01/19/2018 - 16:55 Hierarchy: NounDescription: {{logic}} Any of a pair of propositions, that cannot both be true or both be false.Ngram: contradictoryNgram Text: contradictorySource: WiktionaryIssue: 0Wiktionary tag: logicNgram Count: 1Wikokit WikiText ID: 461722