<?xml version="1.0" encoding="ISO-8859-1"?>
<QEDEQ 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="http://www.qedeq.org/0_03_04/xml/qedeq.xsd">
  <HEADER email="mime@qedeq.org">
    <SPECIFICATION name="qedeq_error_sample_03" ruleVersion="1.00.00">
      <LOCATIONS>
        <LOCATION value="http://qedeq.org/0_03_04/sample"/>
      </LOCATIONS>
    </SPECIFICATION>
    <TITLE><LATEX>Mathematical Error Example Module</LATEX></TITLE>
    <ABSTRACT>
      <LATEX>
         With this QEDEQ module error handling is demonstrated.
         Free and bound occurrence of subject variable. See line 38.
      </LATEX>
    </ABSTRACT>
    <AUTHORS>
      <AUTHOR email="michael@meyling.com">
        <NAME><LATEX>Michael Meyling</LATEX></NAME>
      </AUTHOR>
    </AUTHORS>
  </HEADER>
  <CHAPTER>
    <TITLE><LATEX>Error Example</LATEX></TITLE>
    <SECTION>
      <TITLE><LATEX>Errors</LATEX></TITLE>
      <SUBSECTIONS>
        <NODE id="axiom:mixtureOfFreeAndBound">
          <NAME><LATEX>subject variable occurs free and bound</LATEX></NAME>
          <TITLE><LATEX>Mixture of Free and Bound</LATEX></TITLE>
          <AXIOM>
            <FORMULA>
              <IMPL>
                <PREDVAR id="A">
                  <VAR id="x" />
                </PREDVAR>
                <FORALL>
                  <VAR id="x" />
                  <PREDVAR id="B" />
                </FORALL>
              </IMPL>
            </FORMULA>
          </AXIOM>
        </NODE>
      </SUBSECTIONS>
    </SECTION>
  </CHAPTER>
</QEDEQ>
