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(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

(* $Id$ *)

open Ccalgo
open Names
open Term

type rule=
    Ax of constr
  | SymAx of constr
  | Refl of term
  | Trans of proof*proof
  | Congr of proof*proof
  | Inject of proof*constructor*int*int 
and proof = 
    private {p_lhs:term;p_rhs:term;p_rule:rule}

val build_proof : 
  forest -> 
  [ `Discr of int * pa_constructor * int * pa_constructor
  | `Prove of int * int ] -> proof