(* Copyright (C) 2005, 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://helm.cs.unibo.it/
 *)

(*CSC: how can we choose between the two libraries? *)
let eq_URI =
 MatitaLibraryObjects.Equality.eq_URI

let is_eq_URI uri =
 UriManager.eq uri HelmLibraryObjects.Logic.eq_URI ||
 UriManager.eq uri MatitaLibraryObjects.Equality.eq_URI

exception Not_recognized;;

let something_URI coq matita ~eq =
 if UriManager.eq eq HelmLibraryObjects.Logic.eq_URI then coq
 else if UriManager.eq eq MatitaLibraryObjects.Equality.eq_URI then matita
 else raise Not_found

let eq_ind_URI =
 something_URI
  HelmLibraryObjects.Logic.eq_ind_URI
  MatitaLibraryObjects.Equality.eq_ind_URI

let eq_ind_r_URI =
 something_URI
  HelmLibraryObjects.Logic.eq_ind_r_URI
  MatitaLibraryObjects.Equality.eq_ind_r_URI

let sym_eq_URI =
 something_URI
  HelmLibraryObjects.Logic.sym_eq_URI
  MatitaLibraryObjects.Equality.sym_eq_URI

let trans_eq_URI =
 something_URI
  HelmLibraryObjects.Logic.trans_eq_URI
  MatitaLibraryObjects.Equality.trans_eq_URI