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<b>consider </b><font color="Maroon">G</font> being  <a href="msscyc_1.html#V4" target="_self">well-founded</a> <a href="graph_1.html#NM1">Graph</a>;<br/>
<a NAME="E2:39_1_1"/>
<font color="Maroon">G</font> is <a href="msscyc_1.html#V3" target="_self">directed_cycle-less</a>
 
;<br/>
<b>hence </b><a NAME="E3:39_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being  <a href="graph_1.html#NM1">Graph</a> st <font color="Olive">b<sub>1</sub></font> is <a href="msscyc_1.html#V3" target="_self">directed_cycle-less</a>
 ;<br/>


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