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<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 the XML Schema module for the basic constants of MathML content.
Author: Stéphane Dalmas.
</xs:documentation>
</xs:annotation>
<!-- a common type for all this -->
<xs:complexType name="Constant.type">
<xs:attributeGroup ref="Definition.attrib"/>
<xs:attributeGroup ref="Common.attrib"/>
</xs:complexType>
<!-- Basic sets -->
<xs:element name="naturalnumbers" type="Constant.type"/>
<xs:element name="primes" type="Constant.type"/>
<xs:element name="integers" type="Constant.type"/>
<xs:element name="rationals" type="Constant.type"/>
<xs:element name="reals" type="Constant.type"/>
<xs:element name="complexes" type="Constant.type"/>
<!-- Empty set -->
<xs:element name="emptyset" type="Constant.type"/>
<!-- Basic constants -->
<xs:element name="exponentiale" type="Constant.type"/>
<xs:element name="imaginaryi" type="Constant.type"/>
<xs:element name="pi" type="Constant.type"/>
<xs:element name="eulergamma" type="Constant.type"/>
<!-- Boolean constants -->
<xs:element name="true" type="Constant.type"/>
<xs:element name="false" type="Constant.type"/>
<!-- Infinty -->
<xs:element name="infinity" type="Constant.type"/>
<!-- NotANumber -->
<xs:element name="notanumber" type="Constant.type"/>
<!-- And the group of everything -->
<xs:group name="Content-constants.class">
<xs:choice>
<xs:element ref="naturalnumbers"/>
<xs:element ref="primes"/>
<xs:element ref="integers"/>
<xs:element ref="rationals"/>
<xs:element ref="reals"/>
<xs:element ref="complexes"/>
<xs:element ref="emptyset"/>
<xs:element ref="exponentiale"/>
<xs:element ref="imaginaryi"/>
<xs:element ref="pi"/>
<xs:element ref="eulergamma"/>
<xs:element ref="true"/>
<xs:element ref="false"/>
<xs:element ref="infinity"/>
<xs:element ref="notanumber"/>
</xs:choice>
</xs:group>
</xs:schema>
<!--
Copyright û 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/.
-->
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