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<a NAME="E1:79_1_1"/>
 <a href="orders_2.html#G1">RelStr</a>(# <font color="Maroon">a</font>,<font color="Maroon">r</font> #) is   <a href="altcat_1.html#NM1">object</a> of <span class="p1">(<span class="default"><font color="Maroon">W</font> <a href="waybel34.html#K5" target="_self">-SUP_category</a> </span>)</span>
 
<b>by </b><i>, </i>;<br/>
<b>then reconsider </b><font color="Maroon">b</font> =  <a href="orders_2.html#G1">RelStr</a>(# <font color="Maroon">a</font>,<font color="Maroon">r</font> #) as   <a href="altcat_1.html#NM1">object</a> of <span class="p1">(<span class="default"><font color="Maroon">W</font> <a href="waybel34.html#K9" target="_self">-SUP(SO)_category</a> </span>)</span> <b>by </b><i/>;<br/>
<a NAME="E3:79_1_1"/>
<font color="Maroon">b</font> <a href="hidden.html#R1">=</a>  <a href="yellow21.html#K4">latt</a> <font color="Maroon">b</font>
 
;<br/>
<a NAME="E4:79_1_1"/><b>then </b><i><font color="Green">E45</font></i>: 
 ex <font color="Olive">b</font> being  <a href="altcat_1.html#NM1">object</a> of <span class="p1">(<span class="default"><font color="Maroon">W</font> <a href="waybel34.html#K9" target="_self">-SUP(SO)_category</a> </span>)</span> st <font color="Maroon">S<sub>1</sub></font>[<font color="Olive">b</font>]
 
;<br/>
<b>thus </b><a NAME="E5:79_1_1"/>
 ex <font color="Olive">B</font> being non <a href="struct_0.html#V3">empty</a> <a href="altcat_1.html#V6">strict</a> <a href="altcat_2.html#V2">full</a> <a href="altcat_2.html#NM2">subcategory</a> of <font color="Maroon">W</font> <a href="waybel34.html#K9" target="_self">-SUP(SO)_category</a>  st <br/>for <font color="Olive">a</font> being  <a href="altcat_1.html#NM1">object</a> of <span class="p1">(<span class="default"><font color="Maroon">W</font> <a href="waybel34.html#K9" target="_self">-SUP(SO)_category</a> </span>)</span> holds <br/> ( <font color="Olive">a</font> is   <a href="altcat_1.html#NM1">object</a> of <font color="Olive">B</font> iff <font color="Maroon">S<sub>1</sub></font>[<font color="Olive">a</font>] )
 <b>from </b><i><a class="ref" href="yellow20.html#S2">YELLOW20:sch 2</a>();</i><br/>


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