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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E13">Th11</font></span>: <a NAME="T11"><span class="comment"><font color="firebrick">:: CQC_LANG:11</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">A</font> being    <a href="qc_lang1.html#M1" title="QC_LANG1:mode.1">QC-alphabet</a> <br/>  for <font color="Olive" title="b2">r</font>, <font color="Olive" title="b3">s</font> being    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="cqc_lang.html#K3" title="CQC_LANG:func.3">CQC-WFF</a> <font color="Olive" title="b1">A</font> holds  <font color="Olive" title="b2">r</font> <a href="qc_lang2.html#K3" title="QC_LANG2:func.3">'or'</a> <font color="Olive" title="b3">s</font> is    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="cqc_lang.html#K3" title="CQC_LANG:func.3">CQC-WFF</a> <font color="Olive" title="b1">A</font></div></div>
