1. to turn outward or inside out
Usage: formal; logic and philosophy
2. in logic, to form the obverse of a proposition by negating both the subject and predicate
Usage: technical; logic

Examples

• The philosopher obverts the original statement to test its logical equivalence.
• In formal logic, when you obvert a proposition, you create a new statement with inverted terms.
• The surgeon carefully obverts the tissue to examine the inner surface.
• To obvert the claim 'All dogs are animals,' we get 'No dogs are non-animals.'
• The argument obverts traditional assumptions about the nature of consciousness.