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<h2><code><a class="back" title="Return to index" href="../index.html#external1">{}/1</a></code></h2>
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<h4>Description</h4>

<blockquote>
<pre>
{Goal}
</pre>
<p>
	Calls external Prolog code. Can be used to bypass the Logtalk preprocessor/compiler.
</p>
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<h4>Template and modes</h4>

<blockquote>
<pre>
{+callable}
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<h4>Errors</h4>

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<p>
	(none)
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<h4>Examples</h4>

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<pre>
N1/D1 &lt; N2/D2 :-
    {N1*D2 &lt; N2*D1}.
</pre>
</blockquote>

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Last updated on: May 6, 2002
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