contravariant functor
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Related to contravariant functor: Bifunctor
contravariant functor
[¦kän·trə′ver·ē·ənt ′fəŋk·tər] (mathematics)
A functor which reverses the sense of morphisms.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.