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<div><span class="kw">theorem </span><a NAME="T18"><span class="comment"><font color="firebrick">:: NUMBER10:18</font></span><br/></a><div class="add"> <a href="number10.html#K1" title="NUMBER10:func.1">&lt;=6n+1</a> 1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="domain_1.html#K13" title="DOMAIN_1:func.13">{</a><span class="default"><a href="numbers.html#K5" title="NUMBERS:func.5">0</a>,1,2,3,4,5,6,7</span><a href="domain_1.html#K13" title="DOMAIN_1:func.13">}</a></span></div></div>
