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<b>take </b><font color="Maroon" title="c1">S</font> =  <a href="struct_0.html#G1" title="STRUCT_0:aggr.1">1-sorted</a>(# <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> </span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> #);<br/>

<b>thus </b><a NAME="E1:9_1_1"/>
( the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">S</font> is <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a> &amp; not the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">S</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> )
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="struct_0.html#D1" title="STRUCT_0:def.1">STRUCT_0:def 1</a>,<a class="ref" href="group_1.html#D14" title="GROUP_1:def.14">GROUP_1:def 14</a><br/>

<b>thus </b><a NAME="E2:9_1_1"/>
<font color="Maroon" title="c1">S</font> is <a href="struct_0.html#V1" title="STRUCT_0:attr.1">strict</a>
 ;<br/>


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