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(*                                                                    *)
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(*                                                                    *)
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(* 02110-1301 USA                                                     *)
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(*          Projet Formel - Calculus of Inductive Constructions V5.10        *)
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(*									     *)
(*	            Delta Functor (used in Limits)             		     *)
(*									     *)
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(*									     *)
(*                     A. SAIBI	  May 95                  		     *)
(*									     *)
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Require Export Functor.
Set Implicit Arguments.
Unset Strict Implicit.
(* Const(b) : A->B Const(b)(a) = b Const(b)(f) = Id(b) *)
Section constFun.
Variables (A B : Category) (b : B).
Definition Const_ob (a : A) := b.
Section const_map_def.
Variable a1 a2 : A.
Definition Const_mor (f : a1 --> a2) := Id b.

(* Specifications: *)
Lemma Const_mor_map_law : Map_law Const_mor.
Canonical Structure Const_map :
Map (a1 --> a2) (Const_ob a1 --> Const_ob a1) := Const_mor_map_law.