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<a NAME="E1:206_1_1"/>
 the   <a href="fomodel2.html#V4" title="FOMODEL2:attr.4">wff</a>   <a href="fomodel2.html#V5" title="FOMODEL2:attr.5">exal</a>  <a href="fomodel1.html#NM3" title="FOMODEL1:NM.3">string</a> of <font color="Maroon" title="c1">S</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="fomodel2.html#K43" title="FOMODEL2:func.43">ExFormulasOf</a> <font color="Maroon" title="c1">S</font>
 
;<br/>
<span class="kw">hence </span><a NAME="E2:206_1_1"/>
 for <font color="Olive">b<sub>1</sub></font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>   st <font color="Olive">b<sub>1</sub></font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="fomodel2.html#K43" title="FOMODEL2:func.43">ExFormulasOf</a> <font color="Maroon" title="c1">S</font> holds <br/> not <font color="Olive">b<sub>1</sub></font> is  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> 
 ; <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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