category theory question
- From: "Godfrey Muganda" <gmuganda@xxxxxxxxxxxxxxxx>
- Date: Sun, 20 Nov 2005 20:05:03 GMT
It is it possible to have a natural transformation from a covariant functor
to a contravariant functor, or vice versa?
Can a contravariant functor and a covariant functor be naturally isomorphic?
Thanks.
G.
.
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