verb[with object] Logic
Alter (a proposition) so as to infer another proposition with a contradictory predicate, e.g., “no men are immortal” to “all men are mortal.”.
More example sentences
- An original statement is obverted, the result is converted and that result is obverted again.
- In response to growing concern and upon the advice of a specially appointed committee, the rule was obverted.
early 17th century (in the sense 'turn something until it is facing'): from Latin obvertere, from ob- 'toward' + vertere 'to turn'.
Definition of obvert in:
- The British & World English dictionary