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<div><span class="kw">theorem </span><a NAME="T48"><span class="comment"><font color="firebrick">:: QUATERN3:48</font></span><br/></a><div class="add"><a href="quatern2.html#K2" title="QUATERN2:func.2">1q</a> <a href="quatern2.html#K7" title="QUATERN2:func.7">"</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="quatern2.html#K2" title="QUATERN2:func.2">1q</a> </div></div>
