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<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="118_1_1_1"><b>now </b></a><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="118_1_1_1_1"><b>per </b></a><a class="txt" onclick="hs(this)" href="javascript:()"><b>cases </b></a><span class="hide"><a NAME="E1:118_1_1_1_1"/>
( <font color="Maroon">e</font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">G</font> or  not <font color="Maroon">e</font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">G</font> )
 </span>;<br/><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="118_1_1_1_1_1"><b>suppose </b></a><a NAME="E1:118_1_1_1_1_1"/><i><font color="Green">E30</font></i>: 
<font color="Maroon">e</font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">G</font>
 ;<br/><div class="add"><b>set </b><font color="Maroon">EL</font> = <span class="p1">(<span class="default"><a href="glib_003.html#K6" target="_self">the_ELabel_of</a> <font color="Maroon">G</font></span>)</span> <a href="funct_4.html#K1">+*</a> <span class="p1">(<span class="default"><font color="Maroon">e</font> <a href="cqc_lang.html#K3">.--&gt;</a> <font color="Maroon">x</font></span>)</span>;<br/><a NAME="E2:118_1_1_1_1_1"/>
 <a href="relat_1.html#K2">rng</a> <span class="p1">(<span class="default"><a href="glib_003.html#K6" target="_self">the_ELabel_of</a> <font color="Maroon">G</font></span>)</span> <a href="tarski.html#R1">c=</a>  <a href="numbers.html#K1">REAL</a> 
 <b>by </b><i><a class="ref" href="seq_1.html#D1">SEQ_1:def 1</a></i>;<br/><a NAME="E3:118_1_1_1_1_1"/><b>then </b><i><font color="Green">E32</font></i>: 
 <a href="glib_003.html#K6" target="_self">the_ELabel_of</a> <font color="Maroon">G</font> is   <a href="partfun1.html#NM1">PartFunc</a> of  <a href="relat_1.html#K1">dom</a> <span class="p1">(<span class="default"><a href="glib_003.html#K6" target="_self">the_ELabel_of</a> <font color="Maroon">G</font></span>)</span>, <a href="numbers.html#K1">REAL</a> 
 <b>by </b><i><a class="ref" href="partfun1.html#T25">PARTFUN1:25</a></i>;<br/><a NAME="E4:118_1_1_1_1_1"/>
 <a href="relat_1.html#K1">dom</a> <span class="p1">(<span class="default"><a href="glib_003.html#K6" target="_self">the_ELabel_of</a> <font color="Maroon">G</font></span>)</span> <a href="tarski.html#R1">c=</a>  <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">G</font>
 <b>by </b><i/>;<br/><a NAME="E5:118_1_1_1_1_1"/><b>then </b>
 <a href="glib_003.html#K6" target="_self">the_ELabel_of</a> <font color="Maroon">G</font> is   <a href="partfun1.html#NM1">PartFunc</a> of  <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">G</font>, <a href="numbers.html#K1">REAL</a> 
 <b>by </b><i>, <a class="ref" href="partfun1.html#T28">PARTFUN1:28</a></i>;<br/><b>then reconsider </b><font color="Maroon">EL</font> = <span class="p1">(<span class="default"><a href="glib_003.html#K6" target="_self">the_ELabel_of</a> <font color="Maroon">G</font></span>)</span> <a href="funct_4.html#K1">+*</a> <span class="p1">(<span class="default"><font color="Maroon">e</font> <a href="cqc_lang.html#K3">.--&gt;</a> <font color="Maroon">x</font></span>)</span> as   <a href="partfun1.html#NM1">PartFunc</a> of  <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">G</font>, <a href="numbers.html#K1">REAL</a>  <b>by </b><i>, </i>;<br/><a NAME="E7:118_1_1_1_1_1"/>
<font color="Maroon">G</font> <a href="glib_003.html#K12" target="_self">.labelEdge</a> <font color="Maroon">e</font>,<font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K3" target="_self">ELabelSelector</a> ,<font color="Maroon">EL</font>
 <b>by </b><i>, </i>;<br/><b>hence </b><a NAME="E8:118_1_1_1_1_1"/>
<font color="Maroon">G</font> <a href="glib_003.html#K12" target="_self">.labelEdge</a> <font color="Maroon">e</font>,<font color="Maroon">x</font> is <a href="glib_003.html#V9" target="_self">real-elabeled</a>
 ;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="118_1_1_1_1_2"><b>suppose </b></a><a NAME="E1:118_1_1_1_1_2"/>
not <font color="Maroon">e</font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">G</font>
 ;<br/><div class="add"><b>hence </b><a NAME="E2:118_1_1_1_1_2"/>
<font color="Maroon">G</font> <a href="glib_003.html#K12" target="_self">.labelEdge</a> <font color="Maroon">e</font>,<font color="Maroon">x</font> is <a href="glib_003.html#V9" target="_self">real-elabeled</a>
 <b>by </b><i/>;<br/></div><b>end;</b></div></div><b>end;</b></div></div><b>end;</b></div>
<b>hence </b><a NAME="E2:118_1_1"/>
<font color="Maroon">G</font> <a href="glib_003.html#K12" target="_self">.labelEdge</a> <font color="Maroon">e</font>,<font color="Maroon">x</font> is <a href="glib_003.html#V9" target="_self">real-elabeled</a>
 ;<br/>


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