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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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(*									     *)
(*	                The Unit Setoid {*}              		     *)
(*									     *)
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(*									     *)
(*                     A. SAIBI	  May 95                  		     *)
(*									     *)
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Require Export Setoid.
Require Export BasicTypes.
Set Implicit Arguments.
Unset Strict Implicit.
(* setoid a` un elet *)
Definition Equal_Single (a b : UnitType) := True.

(* Specifications: *)
Lemma Equal_Single_equiv : Equivalence Equal_Single.
Canonical Structure Single : Setoid := Equal_Single_equiv.