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<h2><a name="AlffIdealIsPrimeKnown"></a>
AlffIdealIsPrimeKnown
</h2>

missing shortdoc

<p><p>

<h3>
Syntax:
</h3>
<pre>b := AlffIdealIsPrimeKnown(I);</pre>

<p>

<table>
<tr>
<td>boolean</td>
<td><pre>  b  </pre></td>
<td></td>
</tr>
<tr>
<td>alff order ideal</td>
<td><pre>  I  </pre></td>
<td>in maximal order</td>
</tr>
</table>

<p>


See also:&nbsp;&nbsp;<a href="kashref.html#AlffIdealIsPrime">AlffIdealIsPrime</a>, <a href="kashref.html#AlffIdealFactor">AlffIdealFactor</a>

<p>

<h3>
Description:
</h3>
Return whether an ideal defined in a maximal order is
already known to be prime.

<p><p>

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

<pre>

kash> AlffInit(Q);
"Defining global variables: k, w, kT, kTf, kTy, T, y, AlffGlobals"
kash> AlffOrders(y^3+T^4+1);
"Defining global variables: F, o, oi, one"
kash> I := (T + 2)*o;
< [ T + 2, 0, 0 ] >
kash> AlffIdealIsPrimeKnown(I);
false
kash> l := AlffIdealFactor(I);
[ [ < [ T + 2, 0, 0 ] >, 1 ] ]
kash> AlffIdealIsPrimeKnown(I);
> false

</pre>

<p>


<hr>

<p>
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