<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E20">Th11</font></span>: <a NAME="T11"><span class="comment"><font color="firebrick">:: SUBSTUT1:11</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">S</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="substut1.html#K16" title="SUBSTUT1:func.16">QC-Sub-WFF</a> <font color="Olive" title="b1">A</font>  st <font color="Olive" title="b2">S</font> is  <a href="substut1.html#V4" title="SUBSTUT1:attr.4">Sub_atomic</a>  holds <br/><font color="Olive" title="b2">S</font> <a href="substut1.html#K18" title="SUBSTUT1:func.18">`1</a>  is  <a href="qc_lang1.html#V2" title="QC_LANG1:attr.2">atomic</a> </div></div>
