1. plural of obversion; the act or process of turning something so that the opposite side or surface is shown or becomes prominent
Usage: formal; often used in logic and philosophy
2. in logic, plural of obversion; a type of immediate inference in which a proposition is converted by negating both the predicate and the quality of the original statement
Usage: technical; logic and philosophy

Examples

• The obversions of the fabric revealed its intricate pattern on the reverse side.
• In formal logic, obversions are used to transform categorical propositions.
• The artist explored various obversions of the sculpture to examine it from all angles.
• Understanding obversions in logic helps clarify the relationships between different statements.
• The obversions of the coin showed both the head and the tail designs.