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<div>:: <span class="kw">deftheorem </span>   defines <a href="quaterni.html#K16" title="QUATERNI:func.16">0q</a> <a onclick="hs(this)" href="javascript:()">QUATERNI:def 16 : <br/></a><span> <a href="quaterni.html#K16" title="QUATERNI:func.16">0q</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> ;<br/></span></div>
