lean2/library/algebra/category/adjoint.lean

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-- Copyright (c) 2014 Floris van Doorn. All rights reserved.
-- Released under Apache 2.0 license as described in the file LICENSE.
-- Author: Floris van Doorn
import .constructions
open eq eq.ops category functor natural_transformation category.ops prod category.product
namespace adjoint
-- definition Hom (C : Category) : Cᵒᵖ ×c C ⇒ type :=
-- functor.mk (λ a, hom (pr1 a) (pr2 a))
-- (λ a b f h, sorry)
-- (λ a, sorry)
-- (λ a b c g f, sorry)
end adjoint