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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="glib_003.html#NM1">WGraph</a>;<br/>

<b>set </b><font color="Maroon">c<sub>2</sub></font> = <font color="Maroon">c<sub>1</sub></font> <a href="glib_000.html#K14">.strict</a> <a href="glib_004.html#K7" target="_self">WGraphSelectors</a> ;<br/>
<a NAME="E1:45"/>
 <a href="glib_004.html#K7" target="_self">WGraphSelectors</a>  <a href="tarski.html#R1">c=</a>  <a href="relat_1.html#K1">dom</a> <font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="txt" href="glib_004.html#E36"><i><font color="Green">Lemma29</font></i></a></i>;<br/>
<b>hence </b><a NAME="E2:45"/>
 <a href="relat_1.html#K1">dom</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="glib_000.html#K14">.strict</a> <a href="glib_004.html#K7" target="_self">WGraphSelectors</a> </span>)</span> <a href="hidden.html#R1">=</a>  <a href="glib_004.html#K7" target="_self">WGraphSelectors</a> 
 <b>by </b><i><a class="ref" href="relat_1.html#T91">RELAT_1:91</a></i>;<br/>


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