<xs:schema 
  xmlns:xs="http://www.w3.org/2001/XMLSchema"
  xmlns="http://www.w3.org/1998/Math/MathML"
  targetNamespace="http://www.w3.org/1998/Math/MathML"
  elementFormDefault="qualified"
 >

<xs:annotation>
  <xs:documentation>
  This is an XML Schema module for the relational operators of content MathML.
  Author: St&#233;phane Dalmas, INRIA.
  </xs:documentation>
</xs:annotation>

<!-- a common type for all this -->
<xs:complexType name="Relations.type">
  <xs:attributeGroup ref="Definition.attrib"/>
  <xs:attributeGroup ref="Common.attrib"/>
</xs:complexType>

<xs:element name="eq" type="Relations.type"/>
<xs:element name="neq" type="Relations.type"/>
<xs:element name="leq" type="Relations.type"/>
<xs:element name="lt" type="Relations.type"/>
<xs:element name="geq" type="Relations.type"/>
<xs:element name="gt" type="Relations.type"/>

<xs:element name="equivalent" type="Relations.type"/>

<xs:element name="approx" type="Relations.type"/>

<xs:element name="factorof" type="Relations.type"/>

<!-- And the group of everything -->
<xs:group name="Content-relations.class">
  <xs:choice>
    <xs:element ref="eq"/>
    <xs:element ref="neq"/>
    <xs:element ref="leq"/>
    <xs:element ref="lt"/>
    <xs:element ref="geq"/>
    <xs:element ref="gt"/>
    <xs:element ref="equivalent"/>
    <xs:element ref="approx"/>
    <xs:element ref="factorof"/>
  </xs:choice>
</xs:group>

</xs:schema>
<!--
  Copyright &#251; 2002 World Wide Web Consortium, (Massachusetts Institute
  of Technology, Institut National de Recherche en Informatique et en
  Automatique, Keio University). All Rights Reserved. See
  http://www.w3.org/Consortium/Legal/.
  -->