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<b>consider </b><font color="Maroon" title="c1">A</font> being  non <a href="realset1.html#V1" title="REALSET1:attr.1">trivial</a>  <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/>
<b>take </b>
 <a href="orders_2.html#G1" title="ORDERS_2:aggr.1">RelStr</a>(# <font color="Maroon" title="c1">A</font>,<span class="p1">(<span class="default"><a href="toler_1.html#NK1" title="TOLER_1:NK.1">Total</a> <font color="Maroon" title="c1">A</font></span>)</span> #)
;<br/>

<b>thus </b><a NAME="E2:11_1_1"/>
( not  <a href="orders_2.html#G1" title="ORDERS_2:aggr.1">RelStr</a>(# <font color="Maroon" title="c1">A</font>,<span class="p1">(<span class="default"><a href="toler_1.html#NK1" title="TOLER_1:NK.1">Total</a> <font color="Maroon" title="c1">A</font></span>)</span> #) is <a href="roughs_1.html#V1" title="ROUGHS_1:attr.1">diagonal</a> &amp; not  <a href="orders_2.html#G1" title="ORDERS_2:aggr.1">RelStr</a>(# <font color="Maroon" title="c1">A</font>,<span class="p1">(<span class="default"><a href="toler_1.html#NK1" title="TOLER_1:NK.1">Total</a> <font color="Maroon" title="c1">A</font></span>)</span> #) is <a href="struct_0.html#V3" title="STRUCT_0:attr.3">empty</a> )
 ;<br/>


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