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<b>take </b><font color="Maroon" title="c1">Y</font> =  <a href="struct_0.html#G1" title="STRUCT_0:aggr.1">1-sorted</a>(# 1 #); <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c1">Y</font> is <a href="struct_0.html#V7" title="STRUCT_0:attr.7">trivial</a> &amp; not <font color="Maroon" title="c1">Y</font> is <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a> )</span><br/>

<b>thus </b><a NAME="E1:32_1_1"/>
( <font color="Maroon" title="c1">Y</font> is <a href="struct_0.html#V7" title="STRUCT_0:attr.7">trivial</a> &amp; not <font color="Maroon" title="c1">Y</font> 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#D9" target="_self" title="STRUCT_0:def.9">Def9</a>, <a class="ref" href="card_1.html#T87" title="CARD_1:th.87">CARD_1:87</a></i>; <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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