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									<title>Logtalk built-in predicate: abolish_category/1</title>
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								</head>
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								<div class="top-left">Logtalk reference manual</div> 
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								<div class="top-right">Built-in predicate: abolish_category/1</div>
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								<div class="navtop"><a href="../../index.html">contents</a> > <a href="../index.html">reference manual</a> > <a href="../index.html#builtins">built-in predicates</a></div>
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								<h2 class="code">abolish_category/1</h2>
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								<h4>Description</h4>
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								<pre>abolish_category(Category)</pre>
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								<p>
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								Removes from the database a dynamic category.
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								</p>
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								<h4>Template and modes</h4>
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								<pre>abolish_category(@category_identifier)</pre>
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								<h4>Errors</h4>
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								<dl class="errors">
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									<dt>Category is a variable:</dt>
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										<dd><code>instantiation_error</code></dd>
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									<dt>Category is not a valid category identifier:</dt>
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										<dd><code>type_error(category_identifier, Category)</code></dd>
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									<dt>Category is an identifier of a static category:</dt>
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										<dd><code>permission_error(modify, static_category, Category)</code></dd>
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									<dt>Category does not exist:</dt>
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										<dd><code>existence_error(category, Category)</code></dd>
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								</dl>
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								<h4>Examples</h4>
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								<pre>| ?- abolish_category(monitoring).</pre>
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									<div class="navbottom"><a href="../index.html#builtins">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="abolish_object1.html">next</a></div>
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									<div class="copyright">Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://www.logtalk.org">Logtalk.org</a></div>
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									<div class="footnote">
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										<span class="date">Last updated on: November 16, 2005</span>
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									</div>
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