CVC3  2.4.1
core_theorem_producer.h
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1 /*****************************************************************************/
2 /*!
3  * \file core_theorem_producer.h
4  *
5  * Author: Sergey Berezin
6  *
7  * Created: Feb 05 03:40:36 GMT 2003
8  *
9  * <hr>
10  *
11  * License to use, copy, modify, sell and/or distribute this software
12  * and its documentation for any purpose is hereby granted without
13  * royalty, subject to the terms and conditions defined in the \ref
14  * LICENSE file provided with this distribution.
15  *
16  * <hr>
17  *
18  */
19 /*****************************************************************************/
20 // CLASS: CoreTheoremProducer
21 //
22 // AUTHOR: Sergey Berezin, 12/09/2002
23 //
24 // Description: Implementation of the proof rules for ground
25 // equational logic (reflexivity, symmetry, transitivity, and
26 // substitutivity).
27 //
28 ///////////////////////////////////////////////////////////////////////////////
29 
30 #ifndef _cvc3__core_theorem_producer_h_
31 #define _cvc3__core_theorem_producer_h_
32 
33 #include "core_proof_rules.h"
34 #include "theorem_producer.h"
35 
36 namespace CVC3 {
37 
38  class TheoryCore;
39 
41  private:
42  //! pointer to theory core
44 
45  public:
47  : TheoremProducer(tm), d_core(core) { }
48  virtual ~CoreTheoremProducer() { }
49 
50  Theorem typePred(const Expr& e);
51  Theorem rewriteLetDecl(const Expr& e);
52  Theorem rewriteNotAnd(const Expr& e);
53  Theorem rewriteNotOr(const Expr& e);
54  Theorem rewriteNotIff(const Expr& e);
55  Theorem rewriteNotIte(const Expr& e);
56  Theorem rewriteIteThen(const Expr& e, const Theorem& thenThm);
57  Theorem rewriteIteElse(const Expr& e, const Theorem& elseThm);
58  Theorem rewriteIteBool(const Expr& c,
59  const Expr& e1, const Expr& e2);
62  Theorem rewriteImplies(const Expr& e);
63  Theorem rewriteDistinct(const Expr& e);
64  Theorem NotToIte(const Expr& not_e);
65  Theorem OrToIte(const Expr& e);
66  Theorem AndToIte(const Expr& e);
67  Theorem IffToIte(const Expr& e);
68  Theorem ImpToIte(const Expr& e);
69  Theorem rewriteIteToNot(const Expr& e);
70  Theorem rewriteIteToOr(const Expr& e);
71  Theorem rewriteIteToAnd(const Expr& e);
72  Theorem rewriteIteToIff(const Expr& e);
73  Theorem rewriteIteToImp(const Expr& e);
74  Theorem rewriteIteCond(const Expr& e);
75  Theorem ifLiftUnaryRule(const Expr& e);
76  Theorem iffOrDistrib(const Expr& iff);
77  Theorem iffAndDistrib(const Expr& iff);
78  Theorem rewriteAndSubterms(const Expr& e, int idx);
79  Theorem rewriteOrSubterms(const Expr& e, int idx);
80  Theorem dummyTheorem(const Expr& e);
81 
82  }; // end of class CoreTheoremProducer
83 
84 } // end of namespace CVC3
85 
86 #endif