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<b>consider </b><font color="Maroon" title="c1">A</font> being  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>  <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/>
<b>reconsider </b><font color="Maroon" title="c2">R</font> =  <a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> <font color="Maroon" title="c1">A</font> as   <a href="relset_1.html#NM3" title="RELSET_1:NM.3">Relation</a> of <font color="Maroon" title="c1">A</font> ;<br/>
<b>reconsider </b><font color="Maroon" title="c3">R</font> = <font color="Maroon" title="c2">R</font> as   <a href="orders_1.html#NM2" title="ORDERS_1:NM.2">Order</a> of <font color="Maroon" title="c1">A</font> ;<br/>
<b>take </b>
 <a href="orders_2.html#G1" title="ORDERS_2:aggr.1">RelStr</a>(# <font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c3">R</font> #)
;<br/>

<b>thus </b><a NAME="E4:2_2_1"/>
(  <a href="orders_2.html#G1" title="ORDERS_2:aggr.1">RelStr</a>(# <font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c3">R</font> #) is <a href="orders_2.html#V1" title="ORDERS_2:attr.1">strict</a> &amp;  <a href="orders_2.html#G1" title="ORDERS_2:aggr.1">RelStr</a>(# <font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c3">R</font> #) is <a href="orders_3.html#V1" title="ORDERS_3:attr.1">discrete</a> &amp;  <a href="orders_2.html#G1" title="ORDERS_2:aggr.1">RelStr</a>(# <font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c3">R</font> #) is <a href="struct_0.html#V3" title="STRUCT_0:attr.3">empty</a> )
 <b>by </b><i><a class="ref" href="orders_3.html#D1" target="_self" title="ORDERS_3:def.1">Def1</a>, <a class="ref" href="struct_0.html#D1" title="STRUCT_0:def.1">STRUCT_0:def 1</a></i>;<br/>


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