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<span class="kw">set </span><font color="Maroon" title="c5">psi</font> = (<font color="Maroon" title="c2">l1</font>,<font color="Maroon" title="c3">l2</font>) <a href="fomodel3.html#K24" title="FOMODEL3:func.24">-SymbolSubstIn</a> <font color="Maroon" title="c4">phi</font>;<br/>
<span class="kw">consider </span><font color="Maroon" title="c6">m</font> being   <a href="nat_1.html#NM1" title="NAT_1:NM.1">Nat</a><span class="kw"> such that </span><br/><a NAME="E2:111_1_1"/><span class="lab"><font color="Green" title="E46">B0</font></span>: 
<font color="Maroon" title="c4">phi</font> is <font color="Maroon" title="c6">m</font> <a href="fomodel2.html#V3" title="FOMODEL2:attr.3">-wff</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="fomodel2.html#D25" title="FOMODEL2:def.25">FOMODEL2:def 25</a></span>;<br/>
<span class="kw">thus </span><a NAME="E3:111_1_1"/>
 for <font color="Olive">b<sub>1</sub></font> being   <a href="fomodel1.html#NM3" title="FOMODEL1:NM.3">string</a> of <font color="Maroon" title="c1">S</font>  st <font color="Olive">b<sub>1</sub></font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> (<font color="Maroon" title="c2">l1</font>,<font color="Maroon" title="c3">l2</font>) <a href="fomodel3.html#K24" title="FOMODEL3:func.24">-SymbolSubstIn</a> <font color="Maroon" title="c4">phi</font> holds <br/><font color="Olive">b<sub>1</sub></font> is  <a href="fomodel2.html#V4" title="FOMODEL2:attr.4">wff</a> 
 <span class="kw">by</span> <span class="lab"><a class="txt" href="#E2:111_1_1"><span class="lab"><font color="Green" title="E46">B0</font></span></a></span>; <a class="txt" 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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