<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E26">Th24</font></span>: <a NAME="T24"><span class="comment"><font color="firebrick">:: UNIALG_2:24</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">U0</font> being   <a href="unialg_1.html#NM1" title="UNIALG_1:NM.1">Universal_Algebra</a> holds   <a href="unialg_2.html#K10" title="UNIALG_2:func.10">UniAlg_join</a> <font color="Olive" title="b1">U0</font> is  <a href="binop_1.html#V1" title="BINOP_1:attr.1">commutative</a> </div></div>
