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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 an XML Schema module for the logic operators of content MathML.
Author: Stéphane Dalmas, INRIA.
</xs:documentation>
</xs:annotation>
<!-- a common type for all this -->
<xs:complexType name="Logic.type">
<xs:attributeGroup ref="Definition.attrib"/>
<xs:attributeGroup ref="Common.attrib"/>
</xs:complexType>
<xs:element name="and" type="Elementary-functions.type"/>
<xs:element name="or" type="Logic.type"/>
<xs:element name="xor" type="Logic.type"/>
<xs:element name="not" type="Logic.type"/>
<xs:element name="exists" type="Logic.type"/>
<xs:element name="forall" type="Logic.type"/>
<xs:element name="implies" type="Logic.type"/>
<!-- And the group of everything -->
<xs:group name="Content-logic.class">
<xs:choice>
<xs:element ref="and"/>
<xs:element ref="or"/>
<xs:element ref="xor"/>
<xs:element ref="not"/>
<xs:element ref="exists"/>
<xs:element ref="forall"/>
<xs:element ref="implies"/>
</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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