Obversion (noun) Definition, Meaning & Examples

noun
  1. an act or instance of obverting.
  2. something that is obverted.
  3. 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.”
Obversion (noun) Definition, Meaning & Examples

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