Dictionary.com

obversion

[ ob-vur-zhuhn, -shuhn ]
/ ɒbˈvɜr ʒən, -ʃən /
Save This Word!

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.”

QUIZZES

QUIZ YOURSELF ON THE 12 TYPES OF VERB TENSES!

Loosen up your grammar muscles because it’s time to test your knowledge on verb tenses!
Question 1 of 6
The verb tenses can be split into which 3 primary categories?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use obversion in a sentence

  • Dr. Bain calls this Material Obversion because it cannot be practised safely without reference to the matter of the proposition.

  • In this it differs from Obversion, Conversion, and Contraposition, each of which stands for one process.

    Logic|Carveth Read
  • Define Obversion and Inversion, and apply these processes also to the above three propositions.

    Logic|Carveth Read
  • A further process, known as Contraposition or Conversion by Negation, consists of conversion following on obversion.

FEEDBACK