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15 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default">2 <a href="nat_1.html#K2" title="NAT_1:func.2">*</a> 7</span>)</span> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1
 
;<br/>
<span class="kw">hence </span><a NAME="E2:101"/>
 not 15 <a href="number08.html#R2" title="NUMBER08:pred.2">satisfies_Sierpinski_problem_86</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="number08.html#T53" target="_self" onmouseover="rs('number08/T53')" onmouseout="rh()">Th53</a></span>; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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