<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>CVC3: cnf_rules.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.4 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">CVC3 <span id="projectnumber">2.4.1</span></div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<div class="header">
<div class="headertitle">
<div class="title">cnf_rules.h</div> </div>
</div>
<div class="contents">
<a href="cnf__rules_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************/</span><span class="comment"></span>
<a name="l00002"></a>00002 <span class="comment">/*!</span>
<a name="l00003"></a>00003 <span class="comment"> * \file cnf_rules.h</span>
<a name="l00004"></a>00004 <span class="comment"> * \brief Abstract proof rules for CNF conversion</span>
<a name="l00005"></a>00005 <span class="comment"> * </span>
<a name="l00006"></a>00006 <span class="comment"> * Author: Clark Barrett</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> * Created: Thu Jan 5 05:24:45 2006</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * <hr></span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span>
<a name="l00013"></a>00013 <span class="comment"> * and its documentation for any purpose is hereby granted without</span>
<a name="l00014"></a>00014 <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span>
<a name="l00015"></a>00015 <span class="comment"> * LICENSE file provided with this distribution.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * <hr></span>
<a name="l00018"></a>00018 <span class="comment"> * </span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 <span class="comment">/*****************************************************************************/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef _cvc3__sat__cnf_rules_h_</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define _cvc3__sat__cnf_rules_h_</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="keyword">namespace </span>CVC3 {
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">class </span>Theorem;
<a name="l00028"></a>00028 <span class="comment"></span>
<a name="l00029"></a>00029 <span class="comment">/*! \defgroup CNF_Rules Proof Rules for the Search Engines</span>
<a name="l00030"></a>00030 <span class="comment"> * \ingroup CNF</span>
<a name="l00031"></a>00031 <span class="comment"> */</span><span class="comment"></span>
<a name="l00032"></a>00032 <span class="comment"> //! API to the CNF proof rules</span>
<a name="l00033"></a>00033 <span class="comment"></span><span class="comment"> /*! \ingroup CNF_Rules */</span>
<a name="l00034"></a><a class="code" href="classCVC3_1_1CNF__Rules.html">00034</a> <span class="keyword">class </span><a class="code" href="classCVC3_1_1CNF__Rules.html" title="API to the CNF proof rules.">CNF_Rules</a> {<span class="comment"></span>
<a name="l00035"></a>00035 <span class="comment"> /*! \addtogroup CNF_Rules</span>
<a name="l00036"></a>00036 <span class="comment"> * @{ </span>
<a name="l00037"></a>00037 <span class="comment"> */</span>
<a name="l00038"></a>00038 <span class="keyword">public</span>:<span class="comment"></span>
<a name="l00039"></a>00039 <span class="comment"> //! Destructor</span>
<a name="l00040"></a><a class="code" href="group__CNF__Rules.html#gadc1e78c5356c90604c1885e7a3833468">00040</a> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="group__CNF__Rules.html#gadc1e78c5356c90604c1885e7a3833468" title="Destructor.">~CNF_Rules</a>() { }
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// A_1,...,A_n |- B ==> |- (OR !A_1 ... !A_n B)</span><span class="comment"></span>
<a name="l00043"></a>00043 <span class="comment"> /*! @brief Learned clause rule: </span>
<a name="l00044"></a>00044 <span class="comment"> \f[\frac{A_1,\ldots,A_n\vdash B}</span>
<a name="l00045"></a>00045 <span class="comment"> {\vdash\neg A_1\vee\cdots\vee \neg A_n\vee B}\f]</span>
<a name="l00046"></a>00046 <span class="comment"> *</span>
<a name="l00047"></a>00047 <span class="comment"> * \param thm is the theorem</span>
<a name="l00048"></a>00048 <span class="comment"> * \f$ A_1,\ldots,A_n\vdash B\f$</span>
<a name="l00049"></a>00049 <span class="comment"> * Each \f$A_i\f$ and \f$B\f$ should be literals</span>
<a name="l00050"></a>00050 <span class="comment"> * \f$B\f$ can also be \f$\mathrm{FALSE}\f$</span>
<a name="l00051"></a>00051 <span class="comment"> */</span>
<a name="l00052"></a>00052 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="group__CNF__Rules.html#ga95a3d54cd5764e677d565f227b07eace" title="Learned clause rule: .">learnedClauses</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm,
<a name="l00053"></a>00053 std::vector<Theorem>&,
<a name="l00054"></a>00054 <span class="keywordtype">bool</span> newLemma) = 0;
<a name="l00055"></a>00055 <span class="comment"></span>
<a name="l00056"></a>00056 <span class="comment"> //! |- P(_, ITE(cond,a,b), _) <=> ITE(cond,Pred(_, a, _),Pred(_, b, _))</span>
<a name="l00057"></a>00057 <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="group__CNF__Rules.html#ga941f65f9beb6d3233a6d628c83731960" title="|- P(_, ITE(cond,a,b), _) <=> ITE(cond,Pred(_, a, _),Pred(_, b, _))">ifLiftRule</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <span class="keywordtype">int</span> itePos) = 0;
<a name="l00058"></a>00058 <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="group__CNF__Rules.html#ga0aaf202cffbc31fe85e7599ec2906319">CNFAddUnit</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm) = 0 ;
<a name="l00059"></a>00059 <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="group__CNF__Rules.html#ga218381b5e2fddbd76c0c81ca3013c0f8">CNFConvert</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm) = 0 ;
<a name="l00060"></a>00060 <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="group__CNF__Rules.html#gae66dc0ceb7b55eeeea57187e0acd4bd5">CNFtranslate</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& before,
<a name="l00061"></a>00061 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& after,
<a name="l00062"></a>00062 std::string reason,
<a name="l00063"></a>00063 <span class="keywordtype">int</span> pos,
<a name="l00064"></a>00064 <span class="keyword">const</span> std::vector<Theorem>& thms) = 0;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> <a class="code" href="group__CNF__Rules.html#gad68b269642c7545c0fc119b7a74a3f32">CNFITEtranslate</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& before,
<a name="l00067"></a>00067 <span class="keyword">const</span> std::vector<Expr>& after,
<a name="l00068"></a>00068 <span class="keyword">const</span> std::vector<Theorem>& thms,
<a name="l00069"></a>00069 <span class="keywordtype">int</span> pos) = 0;
<a name="l00070"></a>00070 <span class="comment"></span>
<a name="l00071"></a>00071 <span class="comment"> /*! @} */</span> <span class="comment">// end of CNF_Rules</span>
<a name="l00072"></a>00072 }; <span class="comment">// end of class CNF_Rules</span>
<a name="l00073"></a>00073
<a name="l00074"></a>00074 } <span class="comment">// end of namespace CVC3</span>
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="preprocessor">#endif</span>
</pre></div></div>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Wed Sep 7 2011 for CVC3 by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
</body>
</html>
