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/********************* */
/*! \file substitutions.h
** \verbatim
** Original author: mdeters
** Major contributors: none
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010, 2011 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief A substitution mapping for theory simplification
**
** A substitution mapping for theory simplification.
**/
#include "cvc4_private.h"
#ifndef __CVC4__THEORY__SUBSTITUTIONS_H
#define __CVC4__THEORY__SUBSTITUTIONS_H
#include <utility>
#include <vector>
#include "expr/node.h"
namespace CVC4 {
namespace theory {
/**
* The type for the Substitutions mapping output by
* Theory::simplify(), TheoryEngine::simplify(), and
* Valuation::simplify(). This is in its own header to avoid circular
* dependences between those three.
*/
typedef std::vector< std::pair<Node, Node> > Substitutions;
}/* CVC4::theory namespace */
}/* CVC4 namespace */
#endif /* __CVC4__THEORY__SUBSTITUTIONS_H */
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