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<a NAME="E1:23"/>
2 <a href="newton.html#K6" title="NEWTON:func.6">!</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 1 <a href="nat_1.html#K4" title="NAT_1:func.4">*</a> 2
 
<b>by </b><i><a class="ref" href="finseq_2.html#T61" title="FINSEQ_2:th.61">FINSEQ_2:61</a>, <a class="ref" href="rvsum_1.html#T129" title="RVSUM_1:th.129">RVSUM_1:129</a></i>;<br/>
<b>hence </b><a NAME="E2:23"/>
2 <a href="newton.html#K6" title="NEWTON:func.6">!</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 2
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div>
