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Last updated: Mon Jan 5 2009

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Foundations of Mathematics > Category Theory >
MathWorld Contributors > Barile >

Contravariant Functor

A functor F is called contravariant if it reverses the directions of arrows, i.e., every arrow f:A-->B is mapped to an arrow F(f):F(B)-->F(A).

SEE ALSO: Covariant Functor, Functor, Hom

This entry contributed by Margherita Barile




CITE THIS AS:

Barile, Margherita. "Contravariant Functor." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. http://mathworld.wolfram.com/ContravariantFunctor.html

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