Consistency, in logic, is a quality of no contradiction. Consistency may also refer to: Computer science Consistency (database systems) Consistency (knowledge bases) Consistency (user interfaces) Consistent hashing Consistent heuristic Consistency model Data consistency Statistics Consistency (statistics), a property of an estimation technique giving the right answer with an infinite amount of data Consistent estimator Fisher consistency Consistent test: see Statistical hypothesis testing Physics The viscosity of a thick fluid Consistency (suspension) of a suspension Consistent histories, in quantum mechanics Other uses Consistency (negotiation), the psychological need to be consistent with prior acts and statements "Consistency", an 1887 speech by Mark Twain "Consistency", a song by Megan Thee Stallion and Jhené Aiko from the album Traumazine, 2022 The consistency criterion, a measure of a voting system requiring that where one is elected by all segments of the voters, one must win the election Consistency Theory, an album by 1200 Techniques Consistent and inconsistent equations, in mathematics Consistent life ethic, an ideology stating that life is sacred Equiconsistency, in logic Mr. Consistency (foaled 1958), American Thoroughbred racehorse See also Constancy (disambiguation)