Hello, you have come here looking for the meaning of the word
obversion. In DICTIOUS you will not only get to know all the dictionary meanings for the word
obversion, but we will also tell you about its etymology, its characteristics and you will know how to say
obversion in singular and plural. Everything you need to know about the word
obversion you have here. The definition of the word
obversion will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
obversion, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Etymology
Latin obversio (“a turning towards”).
Noun
obversion (countable and uncountable, plural obversions)
- The act of turning toward or downward.
- (logic) An immediate inference that denies the opposite of something previously affirmed.
All men are mortal, so, by obversion, no men are immortal.
1870, Alexander Bain, Logic: Induction:From 'warmth is agreeable' we can affirm, by formal obversion, 'warmth is not disagreeable, and not indifferent.' We cannot affirm, without an examination of the subject matter, 'cold is disagreeable.'