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(***********************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team    *)
(* <O___,, *        INRIA-Rocquencourt  &  LRI-CNRS-Orsay              *)
(*   \VV/  *************************************************************)
(*    //   *      This file is distributed under the terms of the      *)
(*         *       GNU Lesser General Public License Version 2.1       *)
(***********************************************************************)
(*i $Id$ i*)


(*********************************************************)
(**          Definitions for the axiomatization          *)
(*                                                       *)
(*********************************************************)

Require Export ZArith.
Require Export TypeSyntax.

Parameter R:Type.
Parameter R0:R.
Parameter R1:R.
Parameter Rplus:R->R->R.
Parameter Rmult:R->R->R.
Parameter Ropp:R->R.
Parameter Rinv:R->R. 
Parameter Rlt:R->R->Prop.    
Parameter up:R->Z.

(*i*******************************************************i*)

(**********)
Definition Rgt:R->R->Prop:=[r1,r2:R](Rlt r2 r1).

(**********)
Definition Rle:R->R->Prop:=[r1,r2:R]((Rlt r1 r2)\/(r1==r2)).

(**********)
Definition Rge:R->R->Prop:=[r1,r2:R]((Rgt r1 r2)\/(r1==r2)).

(**********)
Definition Rminus:R->R->R:=[r1,r2:R](Rplus r1 (Ropp r2)).

(**********)
Definition Rdiv:R->R->R:=[r1,r2:R](Rmult r1 (Rinv r2)).