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<b>let </b><font color="Maroon">GSq</font> be   <a href="glib_000.html#NM11">GraphSeq</a>;<br/>

<b>assume </b><a NAME="E1:57_3_1"/><i><font color="Green">E43</font></i>: 
<font color="Maroon">GSq</font> is <a href="glib_002.html#V7" target="_self">acyclic</a>
 ;<br/>

<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="57_3_1_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon">n</font> be   <a href="nat_1.html#NM1">Nat</a>;<br/><b>reconsider </b><font color="Maroon">G</font> = <font color="Maroon">GSq</font> <a href="glib_000.html#K42">.</a> <font color="Maroon">n</font> as  <a href="glib_002.html#V2" target="_self">acyclic</a> <a href="glib_000.html#NM2">_Graph</a> <b>by </b><i>, <a class="ref" href="glib_002.html#T1" target="_self">Th1</a></i>;<br/><a NAME="E2:57_3_1_1"/>
<font color="Maroon">G</font> is <a href="glib_000.html#V7">simple</a>
 ;<br/><b>hence </b><a NAME="E3:57_3_1_1"/>
<font color="Maroon">GSq</font> <a href="glib_000.html#K42">.</a> <font color="Maroon">n</font> is <a href="glib_000.html#V7">simple</a>
 ;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E3:57_3_1"/>
<font color="Maroon">GSq</font> is <a href="glib_000.html#V20">simple</a>
 <b>by </b><i><a class="ref" href="glib_000.html#D66">GLIB_000:def 66</a></i>;<br/>


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