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<b>reconsider </b><font color="Maroon">k</font> =  <a href="grcat_1.html#K7">id</a> <font color="Maroon">L</font> as  <a href="waybel_0.html#V22">directed-sups-preserving</a> <a href="waybel_1.html#V8">kernel</a> <a href="struct_0.html#NM6">Function</a> of <font color="Maroon">L</font>,<font color="Maroon">L</font> ;<br/>
<b>take </b>
<font color="Maroon">k</font>
;<br/>

<b>thus </b><a NAME="E2:43_1_1"/>
( <font color="Maroon">k</font> is <a href="waybel_0.html#V22">directed-sups-preserving</a> &amp; <font color="Maroon">k</font> is <a href="waybel_1.html#V8">kernel</a> )
 ;<br/>


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