[ ob-vur-zhuh n, -shuh n ]
/ ɒbˈvɜr ʒən, -ʃən /
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Examples from the Web for obversion
A further process, known as Contraposition or Conversion by Negation, consists of conversion following on obversion.
In this it differs from Obversion, Conversion, and Contraposition, each of which stands for one process.Logic|Carveth Read