2002-07-31 23:34:42 +00:00
|
|
|
<?xml version="1.0" encoding="iso-8859-1"?>
|
|
|
|
|
<?xml-stylesheet type="text/css" href="../../styles.css" ?>
|
2001-06-06 20:07:01 +00:00
|
|
|
|
2002-07-31 23:34:42 +00:00
|
|
|
<!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" lang="en" xml:lang="en">
|
2001-06-06 20:07:01 +00:00
|
|
|
|
|
|
|
|
<head>
|
|
|
|
|
<title>instantiates_class/2-3</title>
|
2002-08-26 16:45:50 +00:00
|
|
|
<link rel="stylesheet" href="../../styles.css" type="text/css" />
|
2001-06-06 20:07:01 +00:00
|
|
|
</head>
|
|
|
|
|
|
|
|
|
|
<body>
|
|
|
|
|
|
|
|
|
|
<hr />
|
|
|
|
|
<h2><code><a class="back" title="Return to index" href="../index.html#instantiates_class2_3">instantiates_class/2-3</a></code></h2>
|
|
|
|
|
<hr />
|
|
|
|
|
|
|
|
|
|
<h4>Description</h4>
|
|
|
|
|
|
|
|
|
|
<blockquote>
|
|
|
|
|
<pre>
|
|
|
|
|
instantiates_class(Instance, Class)
|
|
|
|
|
|
|
|
|
|
instantiates_class(Instance, Class, Scope)
|
|
|
|
|
</pre>
|
|
|
|
|
<p>
|
|
|
|
|
Enumerates, by backtracking, all pairs of objects such that the first one instantiates the second.
|
|
|
|
|
</p>
|
|
|
|
|
</blockquote>
|
|
|
|
|
|
|
|
|
|
<h4>Template and modes</h4>
|
|
|
|
|
|
|
|
|
|
<blockquote>
|
|
|
|
|
<pre>
|
|
|
|
|
instantiates_class(?object_identifier, ?object_identifier)
|
|
|
|
|
|
2001-12-05 23:57:48 +00:00
|
|
|
instantiates_class(?object_identifier, ?object_identifier, ?scope)
|
2001-06-06 20:07:01 +00:00
|
|
|
</pre>
|
|
|
|
|
</blockquote>
|
|
|
|
|
|
2001-12-05 23:57:48 +00:00
|
|
|
<h4>Errors</h4>
|
2001-06-06 20:07:01 +00:00
|
|
|
|
|
|
|
|
<blockquote>
|
|
|
|
|
<dl>
|
|
|
|
|
<dt>Instance is neither a variable nor a valid object identifier:</dt>
|
|
|
|
|
<dd><code>type_error(object_identifier, Instance)</code></dd>
|
|
|
|
|
<dt>Class is neither a variable nor a valid object identifier:</dt>
|
|
|
|
|
<dd><code>type_error(object_identifier, Class)</code></dd>
|
|
|
|
|
<dt>Scope is neither a variable nor a valid entity scope:</dt>
|
2001-12-05 23:57:48 +00:00
|
|
|
<dd><code>type_error(scope, Scope)</code></dd>
|
2001-06-06 20:07:01 +00:00
|
|
|
</dl>
|
|
|
|
|
</blockquote>
|
|
|
|
|
|
|
|
|
|
<h4>Examples</h4>
|
|
|
|
|
|
|
|
|
|
<blockquote>
|
|
|
|
|
<pre>
|
|
|
|
|
| ?- instantiates_class(water_jug, state_space).
|
|
|
|
|
|
|
|
|
|
| ?- instantiates_class(Space, state_space, public).
|
|
|
|
|
</pre>
|
|
|
|
|
</blockquote>
|
|
|
|
|
|
|
|
|
|
<hr />
|
|
|
|
|
<p class="center">
|
|
|
|
|
<strong><a href="imports_category2_3.html">Previous</a> | <a href="specializes_class2_3.html">Next</a> | <a href="../index.html">Table of Contents</a> | <a href="../../bibliography.html">Bibliography</a> | <a href="../../glossary.html">Glossary</a></strong>
|
|
|
|
|
</p>
|
|
|
|
|
<p class="center">
|
2002-08-26 16:45:50 +00:00
|
|
|
Last updated on: August 6, 2002
|
2001-06-06 20:07:01 +00:00
|
|
|
</p>
|
|
|
|
|
<hr />
|
|
|
|
|
|
|
|
|
|
</body>
|
|
|
|
|
|
|
|
|
|
</html>
|
