英语词汇“obversion”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	obversion
释义	obversion [ ob-vur-zhuhn, -shuhn ] / ɒbˈvɜr ʒən, -ʃən / noun an act or instance of obverting. something that is obverted. Logic. a form of inference in which a negative proposition is obtained from an affirmative, or vice versa, as “None of us is immortal” is obtained by obversion from “All of us are mortal.” Origin of obversion 1840–50; <Late Latin obversiōn- (stem of obversiō) a turning toward, equivalent to obvers(us) (see obverse) + -iōn--ion Words nearby obversion OBulg., obumbrant, obumbrate, obv, obverse, obversion, obvert, obviate, obvious, obviously, obvolute Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for obversion A further process, known as Contraposition or Conversion by Negation, consists of conversion following on obversion. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3\|Various In this it differs from Obversion, Conversion, and Contraposition, each of which stands for one process. Logic\|Carveth Read
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obversion