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<p>&nbsp;<p>
<hr noshade size="5">
<h2><a name="IsThue"></a>
IsThue
</h2>

Returns <tt> true</tt> iff the argument is a <sf> Thue</sf> object.

<p><p>

<h3>
Syntax:
</h3>
<pre>b := IsThue(x);</pre>

<p>

<table>
<tr>
<td>boolean</td>
<td><pre>  b  </pre></td>
<td></td>
</tr>
<tr>
<td></td>
<td><pre>  x  </pre></td>
<td></td>
</tr>
</table>

<p>


<h3>
Description:
</h3>
<i>no detailed description available yet</i>

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>

<pre>

kash> t := Thue([1,2,2,2,2]);
X^4 + 2 X^3 Y + 2 X^2 Y^2 + 2 X Y^3 + 2 Y^4
kash> IsThue(t);
> true

</pre>

<p>


<hr>

<p>
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