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<b>take </b>
 <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="E1:36_1_1"/>
(  <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> #) is <a href="struct_0.html#V8" title="STRUCT_0:attr.8">finite</a> &amp; not  <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> #) is <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a> )
 <b>by </b><i><a class="ref" href="struct_0.html#D1" target="_self" title="STRUCT_0:def.1">Def1</a>, <a class="ref" href="struct_0.html#D11" target="_self" title="STRUCT_0:def.11">Def11</a></i>;<br/>


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