| <html><head><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>5.4.3. Boolean Constant</title><link href="style.css" rel="stylesheet" type="text/css"><meta content="DocBook XSL Stylesheets V1.72.0" name="generator"><link rel="start" href="index.html" title="The VIATRA2 Model Transformation Framework"><link rel="up" href="sec_ASMConstants.html" title="5.4. Constants"><link rel="prev" href="def_UndefinedValue.html" title="5.4.2. Undefined Value"><link rel="next" href="def_MultiplicityConstant.html" title="5.4.4. Multiplicity Constant"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">5.4.3. Boolean Constant</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="def_UndefinedValue.html">Prev</a> </td><th align="center" width="60%">5.4. Constants</th><td align="right" width="20%"> <a accesskey="n" href="def_MultiplicityConstant.html">Next</a></td></tr></table><hr></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="def_BooleanConstant"></a>5.4.3. Boolean Constant</h4></div></div></div><div class="tip" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Tip: Description"><tr><td valign="top" align="center" rowspan="2" width="25"><img alt="[Tip]" src="images/tip.png"></td><th align="left"><a name="def_BooleanConstant_Description"></a>Description</th></tr><tr><td valign="top" align="left"><p> | |
| A <span class="strong"><strong>boolean constant</strong></span> | |
| <a name="N128A3" class="indexterm"></a> | |
| <a name="N128A8" class="indexterm"></a> | |
| is an ASM constant representing | |
| the logical <span class="emphasis"><em>true</em></span>and <span class="emphasis"><em>false</em></span>values. | |
| </p></td></tr></table></div><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important: Syntax"><tr><td valign="top" align="center" rowspan="2" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left"><a name="def_BooleanConstant_Syntax"></a>Syntax</th></tr><tr><td valign="top" align="left"><pre class="programlisting"> | |
| BooleanConstantAST ::= <span class="token">false</span> | <span class="token">true</span> | |
| </pre><p> | |
| A boolean constant can have two values: <code class="computeroutput">true</code>and <code class="computeroutput">false</code>. | |
| </p></td></tr></table></div><div class="highlights"><a name="def_BooleanConstant_DefinedIn"></a><p><b>Defined In: </b> | |
| <a href="def_AsmConstant.html" title="5.4.1. ASM Constant (Value)">ASM constant</a> | |
| </p></div><div class="highlights"><a name="def_BooleanConstant_UsedBy"></a><p><b>Used By: </b> | |
| <a href="def_BaseLogicalTerm.html" title="5.2.3. Base Logical Term">base logical term</a> | |
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