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<div><span class="kw">theorem </span><a NAME="T38"><span class="comment"><font color="firebrick">:: FUNCT_3:38</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">A</font>, <font color="Olive" title="b2">B</font>, <font color="Olive" title="b3">X</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>   st <font color="Olive" title="b1">A</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b3">X</font> &amp; <font color="Olive" title="b2">B</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b3">X</font> &amp;  <a href="funct_3.html#K4" title="FUNCT_3:func.4">chi</a> (<font color="Olive" title="b1">A</font>,<font color="Olive" title="b3">X</font>) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="funct_3.html#K4" title="FUNCT_3:func.4">chi</a> (<font color="Olive" title="b2">B</font>,<font color="Olive" title="b3">X</font>) holds <br/><font color="Olive" title="b1">A</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b2">B</font></div></div>
