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<span class="kw">set </span><font color="Maroon" title="c2">E</font> =  <a href="fomodel1.html#K18" title="FOMODEL1:func.18">TheEqSymbOf</a> <font color="Maroon" title="c1">S</font>;<br/>
<span class="kw">set </span><font color="Maroon" title="c3">N</font> =  <a href="fomodel1.html#K8" title="FOMODEL1:func.8">TheNorSymbOf</a> <font color="Maroon" title="c1">S</font>;<br/>
<span class="kw">set </span><font color="Maroon" title="c4">f</font> =  the <a href="fomodel1.html#U1" title="FOMODEL1:sel.1">adicity</a> of <font color="Maroon" title="c1">S</font>;<br/>
<a NAME="E1:127_1_1"/>
(  the <a href="fomodel1.html#U1" title="FOMODEL1:sel.1">adicity</a> of <font color="Maroon" title="c1">S</font> <a href="relset_1.html#R1" title="RELSET_1:pred.1">c=</a>  the <a href="fomodel1.html#U1" title="FOMODEL1:sel.1">adicity</a> of <font color="Maroon" title="c1">S</font> &amp;  <a href="fomodel1.html#K18" title="FOMODEL1:func.18">TheEqSymbOf</a> <font color="Maroon" title="c1">S</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="fomodel1.html#K18" title="FOMODEL1:func.18">TheEqSymbOf</a> <font color="Maroon" title="c1">S</font> &amp;  <a href="fomodel1.html#K8" title="FOMODEL1:func.8">TheNorSymbOf</a> <font color="Maroon" title="c1">S</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="fomodel1.html#K8" title="FOMODEL1:func.8">TheNorSymbOf</a> <font color="Maroon" title="c1">S</font> )
 
;<br/>
<span class="kw">hence </span><a NAME="E2:127_1_1"/>
 for <font color="Olive">b<sub>1</sub></font> being    <a href="fomodel1.html#L1" title="FOMODEL1:struct.1">Language-like</a>   st <font color="Olive">b<sub>1</sub></font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">S</font> <a href="fomodel0.html#K22" title="FOMODEL0:func.22">null</a>  holds <br/><font color="Olive">b<sub>1</sub></font> is <font color="Maroon" title="c1">S</font> <a href="fomodel1.html#V16" title="FOMODEL1:attr.16">-extending</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="fomodel1.html#D41" target="_self" title="FOMODEL1:def.41">DefExt0</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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