<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E27">Th23</font></span>: <a NAME="T23"><span class="comment"><font color="firebrick">:: ALGSTR_4:23</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font>, <font color="Olive" title="b2">Y</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b3">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a>  st <font color="Olive" title="b1">X</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b2">Y</font> holds <br/> <a href="algstr_4.html#K11" title="ALGSTR_4:func.11">free_magma</a> (<font color="Olive" title="b1">X</font>,<font color="Olive" title="b3">n</font>) <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="algstr_4.html#K11" title="ALGSTR_4:func.11">free_magma</a> (<font color="Olive" title="b2">Y</font>,<font color="Olive" title="b3">n</font>)</div></div>
