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<b>let </b><font color="Maroon" title="c2">G2</font> be    <a href="glib_000.html#M2" title="GLIB_000:mode.2">Subgraph</a> of <font color="Maroon" title="c1">G</font>;<br/>

<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="47_1_1_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon" title="c3">e1</font>, <font color="Maroon" title="c4">e2</font>, <font color="Maroon" title="c5">v1</font>, <font color="Maroon" title="c6">v2</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>assume </b><a NAME="E1:47_1_1_1"/>
( <font color="Maroon" title="c3">e1</font> <a href="glib_000.html#R1" title="GLIB_000:pred.1">Joins</a> <font color="Maroon" title="c5">v1</font>,<font color="Maroon" title="c6">v2</font>,<font color="Maroon" title="c2">G2</font> &amp; <font color="Maroon" title="c4">e2</font> <a href="glib_000.html#R1" title="GLIB_000:pred.1">Joins</a> <font color="Maroon" title="c5">v1</font>,<font color="Maroon" title="c6">v2</font>,<font color="Maroon" title="c2">G2</font> )
 ;<br/><a NAME="E2:47_1_1_1"/><b>then </b>
( <font color="Maroon" title="c3">e1</font> <a href="glib_000.html#R1" title="GLIB_000:pred.1">Joins</a> <font color="Maroon" title="c5">v1</font>,<font color="Maroon" title="c6">v2</font>,<font color="Maroon" title="c1">G</font> &amp; <font color="Maroon" title="c4">e2</font> <a href="glib_000.html#R1" title="GLIB_000:pred.1">Joins</a> <font color="Maroon" title="c5">v1</font>,<font color="Maroon" title="c6">v2</font>,<font color="Maroon" title="c1">G</font> )
 <b>by </b><i><a class="txt" href="glib_000.html#E41"><i><font color="Green" title="E25">Lm7</font></i></a></i>;<br/><b>hence </b><a NAME="E3:47_1_1_1"/>
<font color="Maroon" title="c3">e1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">e2</font>
 <b>by </b><i><a class="ref" href="glib_000.html#D22" target="_self" title="GLIB_000:def.22">Def22</a></i>;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E2:47_1_1"/>
<font color="Maroon" title="c2">G2</font> is <a href="glib_000.html#V5" title="GLIB_000:attr.5">non-multi</a>
 <b>by </b><i><a class="ref" href="glib_000.html#D22" target="_self" title="GLIB_000:def.22">Def22</a></i>;<br/>


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