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<b>consider </b><font color="Maroon">h</font> being  <a href="waybel_0.html#V22">directed-sups-preserving</a> <a href="waybel_1.html#V7">closure</a> <a href="struct_0.html#NM6">Function</a> of <font color="Maroon">L</font>,<font color="Maroon">L</font>;<br/>
<b>defpred </b><font color="Maroon">S<sub>1</sub></font>[   <a href="hidden.html#M1">set</a> ] <b>means </b><font color="Maroon">a<sub>1</sub></font> is  <a href="waybel_0.html#V22">directed-sups-preserving</a> <a href="struct_0.html#NM6">Function</a> of <font color="Maroon">L</font>,<font color="Maroon">L</font>;<br/>
<a NAME="E2:57_1_1"/><i><font color="Green">E31</font></i>: 
<font color="Maroon">S<sub>1</sub></font>[<font color="Maroon">h</font>]
 
;<br/>
<a NAME="E3:57_1_1"/>
<font color="Maroon">h</font> is   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="waybel10.html#K3" target="_self">ClOpers</a> <font color="Maroon">L</font></span>)</span>
 
<b>by </b><i/>;<br/>
<a NAME="E4:57_1_1"/><b>then </b><i><font color="Green">E32</font></i>: 
<font color="Maroon">h</font> <a href="hidden.html#R2">in</a> the <a href="struct_0.html#U1">carrier</a> of <span class="p1">(<span class="default"><a href="waybel10.html#K3" target="_self">ClOpers</a> <font color="Maroon">L</font></span>)</span>
 
;<br/>
<b>consider </b><font color="Maroon">S</font> being  non <a href="struct_0.html#V3">empty</a> <a href="orders_2.html#V1">strict</a> <a href="yellow_0.html#V4">full</a>  <a href="yellow_0.html#M1">SubRelStr</a> of  <a href="waybel10.html#K3" target="_self">ClOpers</a> <font color="Maroon">L</font><b> such that </b><br/><a NAME="E6:57_1_1"/><i><font color="Green">E34</font></i>: 
for <font color="Olive">f</font> being  <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="waybel10.html#K3" target="_self">ClOpers</a> <font color="Maroon">L</font></span>)</span> holds <br/> ( <font color="Olive">f</font> is   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">S</font> iff <font color="Maroon">S<sub>1</sub></font>[<font color="Olive">f</font>] )
 <b>from </b><i><a class="ref" href="waybel10.html#S1" target="_self">WAYBEL10:sch 1</a>(, );<br/></i>
<b>take </b>
<font color="Maroon">S</font>
;<br/>

<b>let </b><font color="Maroon">f</font> be  <a href="waybel_1.html#V7">closure</a> <a href="struct_0.html#NM6">Function</a> of <font color="Maroon">L</font>,<font color="Maroon">L</font>;<br/>

<div><b>hereby </b>
<div class="add"><b>assume </b><a NAME="E1:57_1_1_1"/><i><font color="Green">E35</font></i>: 
<font color="Maroon">f</font> is   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">S</font>
 ;<br/><a NAME="E2:57_1_1_1"/><b>then </b>
<font color="Maroon">f</font> is   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="waybel10.html#K3" target="_self">ClOpers</a> <font color="Maroon">L</font></span>)</span>
 <b>by </b><i><a class="ref" href="yellow_0.html#T59">YELLOW_0:59</a></i>;<br/><b>hence </b><a NAME="E3:57_1_1_1"/>
<font color="Maroon">f</font> is <a href="waybel_0.html#V22">directed-sups-preserving</a>
 <b>by </b><i><a class="txt" href="waybel10.html#E2:57_1_1"><i><font color="Green">E31</font></i></a>, <a class="txt" href="waybel10.html#E4:57_1_1"><i><font color="Green">E32</font></i></a></i>;<br/></div>
<b>end;</b></div>

<b>assume </b><a NAME="E8:57_1_1"/><i><font color="Green">E43</font></i>: 
<font color="Maroon">f</font> is <a href="waybel_0.html#V22">directed-sups-preserving</a>
 ;<br/>

<a NAME="E9:57_1_1"/>
<font color="Maroon">f</font> is   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="waybel10.html#K3" target="_self">ClOpers</a> <font color="Maroon">L</font></span>)</span>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E10:57_1_1"/>
<font color="Maroon">f</font> is   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">S</font>
 <b>by </b><i><a class="txt" href="waybel10.html#E2:57_1_1"><i><font color="Green">E31</font></i></a>, <a class="txt" href="waybel10.html#E4:57_1_1"><i><font color="Green">E32</font></i></a></i>;<br/>


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