<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T38"><span class="comment"><font color="firebrick">:: QUATERN2:38</font></span><br/></a><div class="add"> <a href="group_1.html#K1" title="GROUP_1:func.1">1_</a> <a href="quatern2.html#K15" title="QUATERN2:func.15">R_Quaternion</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="quatern2.html#K2" title="QUATERN2:func.2">1q</a>  <span class="kw">by</span> <span class="lab"><a class="ref" href="quatern2.html#D10" target="_self" onmouseover="rs('quatern2/D10')" onmouseout="rh()">Def10</a></span>;<br/></div></div>
