(**************************************************************************)
(*       ___                                                              *)
(*      ||M||                                                             *)
(*      ||A||       A project by Andrea Asperti                           *)
(*      ||T||                                                             *)
(*      ||I||       Developers:                                           *)
(*      ||T||         The HELM team.                                      *)
(*      ||A||         http://helm.cs.unibo.it                             *)
(*      \   /                                                             *)
(*       \ /        This file is distributed under the terms of the       *)
(*        v         GNU General Public License Version 2                  *)
(*                                                                        *)
(**************************************************************************)

(* This file was automatically generated: do not edit *********************)

include "Coq.ma".

(*#**********************************************************************)

(*  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       *)

(*#**********************************************************************)

(*#* Syntax for arithmetic *)

include "Num/Params.ma".

(* NOTATION
Infix 6 "<" lt V8only 70.
*)

(* NOTATION
Infix 6 "<=" le V8only 70.
*)

(* NOTATION
Infix 6 ">" gt V8only 70.
*)

(* NOTATION
Infix 6 ">=" ge V8only 70.
*)

(*i Infix 7 "+" plus V8only 50. i*)

(* NOTATION
Grammar constr lassoc_constr4 :=
  squash_sum
  [ lassoc_constr4($c1) "+" lassoc_constr4($c2) ] ->
      case [$c2] of
        (SQUASH $T2) ->
            case [$c1] of
              (SQUASH $T1) -> [ (sumbool $T1 $T2) ] (* {T1}+{T2} *)
            | $_           -> [ (sumor $c1 $T2) ]   (* c1+{T2} *)
            esac
      | $_           -> [ (add $c1 $c2) ]           (* c1+c2 *)
      esac.
*)

(* NOTATION
Syntax constr
  level 4:
    sum [ (add $t1 $t2) ] -> [ [<hov 0> $t1:E [0 1] "+" $t2:L ] ]
.
*)