/**************************************************************/
/* ********************************************************** */
/* *                                                        * */
/* *                RESOLUTION                              * */
/* *                                                        * */
/* *  $Module:   RESOLUTION                                 * */ 
/* *                                                        * */
/* *  Copyright (C) 1996, 1998, 2001 MPI fuer Informatik    * */
/* *                                                        * */
/* *  This program 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.                * */
/* *                                                        * */
/* *  This program 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 this program; if not, write * */
/* *  to the Free Software Foundation, Inc., 59 Temple      * */
/* *  Place, Suite 330, Boston, MA  02111-1307  USA         * */
/* *                                                        * */
/* *                                                        * */
/* $Revision$                                        * */
/* $State$                                            * */
/* $Date$                             * */
/* $Author$                                       * */
/* *                                                        * */
/* *             Contact:                                   * */
/* *             Christoph Weidenbach                       * */
/* *             MPI fuer Informatik                        * */
/* *             Stuhlsatzenhausweg 85                      * */
/* *             66123 Saarbruecken                         * */
/* *             Email: weidenb@mpi-sb.mpg.de               * */
/* *             Germany                                    * */
/* *                                                        * */
/* ********************************************************** */
/**************************************************************/

/* $RCSfile$ */

#ifndef _RESOLUTION_
#define _RESOLUTION_

/**************************************************************/
/* Includes                                                   */
/**************************************************************/

#include "misc.h"
#include "unify.h"
#include "symbol.h"
#include "foldfg.h"
#include "st.h"
#include "subsumption.h"
#include "condensing.h"


/**************************************************************/
/* Functions                                                  */
/**************************************************************/


void    res_InsertClauseIndex(CLAUSE, st_INDEX); /* used by cnf */
void    res_DeleteClauseIndex(CLAUSE, st_INDEX); /* used by cnf */
CLAUSE  res_SelectLightestClause(LIST);          /* used by cnf */
BOOL    res_BackSubWithLength(CLAUSE, st_INDEX); /* used by cnf */
BOOL    res_HasTautology(CLAUSE);                /* used by cnf */

#endif