<CDSignatures xmlns="http://www.openmath.org/OpenMathCDS" type="sts" 
   cd="relation2" cdurl="http://www.openmath.org/cd/relation2.ocd" version="2.0">
<CDSStatus>official</CDSStatus>


<CDSComment>
Date:  1999-04-13
Author: David Carlisle
</CDSComment>

<Signature name="approx" >
<OMOBJ xmlns="http://www.openmath.org/OpenMath"> 
 <OMA>
   <OMS name="mapsto" cd="sts" />
    <OMS name="NumericalValue" cd="sts" />
    <OMS name="NumericalValue" cd="sts" />
    <OMS cd="setname2" name="Boolean" />
 </OMA>
</OMOBJ>
</Signature>

</CDSignatures>
