(* Copyright (C) 2000-2002, HELM Team.
 * 
 * This file is part of HELM, an Hypertextual, Electronic
 * Library of Mathematics, developed at the Computer Science
 * Department, University of Bologna, Italy.
 * 
 * HELM is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * HELM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HELM; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA  02111-1307, USA.
 * 
 * For details, see the HELM World-Wide-Web page,
 * http://cs.unibo.it/helm/.
 *)

(*********************************************************************)
(*                                                                   *)
(*                           PROJECT HELM                            *)
(*                                                                   *)
(*               Andrea Asperti <asperti@cs.unibo.it>                *)
(*                            18/03/2004                             *)
(*                                                                   *)
(*                                                                   *)
(*********************************************************************)


module StringSet : Set.S with type elt = string

module SetSet : Set.S with type elt = StringSet.t

val pp_SetSet : SetSet.t -> string

val inspect_term : int -> Cic.term -> string option * SetSet.t

val prefixes : int -> Cic.term -> string option * ((int * (StringSet.elt list)) list) 

(* (constants_of t) returns a pair (b,n) where n is the number of 
   constants in the conclusion of t, and b is true if in MainConclusion
   we have an equality *)

val constants_of : Cic.term -> bool * StringSet.t

val pp_prefixes : ((int * (StringSet.elt list)) list) -> string