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/******************************************************************************
* Top contributors (to current version):
* Paul Meng, Mathias Preiner, Liana Hadarean
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* Definition of ClauseId.
*
* A ClauseId is a shared identifier between the proofs module and the sat
* solver for a clause.
*/
#include "cvc4_private.h"
#ifndef CVC5__PROOF__CLAUSE_ID_H
#define CVC5__PROOF__CLAUSE_ID_H
namespace cvc5 {
/**
* A ClauseId is a shared identifier between the proofs module and the sat
* solver for a clause.
*/
typedef unsigned ClauseId;
/** Reserved clauseId values used in the resolution proof. The represent,
* respectively, the empty clause, that adding the clause to the SAT solver was
* a no-op, and that an error occurred when trying to add. */
const ClauseId ClauseIdEmpty(-1);
const ClauseId ClauseIdUndef(-2);
const ClauseId ClauseIdError(-3);
} // namespace cvc5
#endif /* CVC5__PROOF__CLAUSE_ID_H */
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