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

Returns true iff the argument is an ideal.

<p><p>

<h3>
Syntax:
</h3>
<pre>b := IsIdeal(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>
We have for example:
<pre>

kash> o := Order(Z, 2, 3);
Generating polynomial: x^2 - 3

kash> IsIdeal(o);
false
kash> IsIdeal(1*o);
> true

</pre>

<p>


<hr>

<p>
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