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<B>GZERODIM?</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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syntax: </H3>
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<em>gzerodim!?</em>(&lt;basis&gt;) 
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where &lt;bas&gt; is a Groebner basis in the current 

<A HREF=r37_0353.html>term order</A> with the actual setting 
(see 
<A HREF=r37_0352.html>ideal parameters</A>). 
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<em>gzerodim!?</em>tests whether the ideal spanned by the given basis 
has dimension zero. If yes, the number of zeros is returned, 

<A HREF=r37_0014.html>nil</A> otherwise. 
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