ifc:IfcLogicalOperatorEnum

<xs:simpleType name="IfcLogicalOperatorEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="logicaland"/>
    <xs:enumeration value="logicalor"/>
    <xs:enumeration value="logicalxor"/>
    <xs:enumeration value="logicalnotand"/>
    <xs:enumeration value="logicalnotor"/>
  </xs:restriction>
</xs:simpleType>