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<div><span class="kw">theorem </span><a NAME="T8"><span class="comment"><font color="firebrick">:: QUATERN3:8</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">z</font> being   <a href="quaterni.html#NM1" title="QUATERNI:NM.1">Quaternion</a> holds  <font color="Olive" title="b1">z</font> <a href="quaterni.html#K24" title="QUATERNI:func.24">-</a> <a href="quatern2.html#K1" title="QUATERN2:func.1">0q</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">z</font></div></div>
