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<a NAME="E1:2_2_1"/>
not  <a href="struct_0.html#G5" title="STRUCT_0:aggr.5">2-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>,<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="conlat_1.html#V1" title="CONLAT_1:attr.1">quasi-empty</a>
 
<b>by </b><i><a class="ref" href="conlat_1.html#D2" target="_self" title="CONLAT_1:def.2">Def2</a></i>;<br/>
<b>hence </b><a NAME="E2:2_2_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being   <a href="struct_0.html#L5" title="STRUCT_0:struct.5">2-sorted</a>  st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="struct_0.html#V10" title="STRUCT_0:attr.10">strict</a> &amp; not <font color="Olive">b<sub>1</sub></font> is <a href="conlat_1.html#V1" title="CONLAT_1:attr.1">quasi-empty</a> )
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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