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<b>consider </b><font color="Maroon" title="c3">D</font> being  non <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>take </b><font color="Maroon" title="c4">P</font> =  <a href="pcs_0.html#G2" title="PCS_0:aggr.2">pcs-Str</a>(# <font color="Maroon" title="c3">D</font>,<span class="p1">(<span class="default"><a href="eqrel_1.html#K1" title="EQREL_1:func.1">nabla</a> <font color="Maroon" title="c3">D</font></span>)</span>,<span class="p1">(<span class="default"><a href="oposet_1.html#K1" title="OPOSET_1:func.1">{}</a> <font color="Maroon" title="c3">D</font>,<font color="Maroon" title="c3">D</font></span>)</span> #);<br/>

<b>thus </b><a NAME="E2:89_2_1"/>
<font color="Maroon" title="c4">P</font> is <a href="pcs_0.html#V12" title="PCS_0:attr.12">strict</a>
 ;<br/>

<b>thus </b><a NAME="E3:89_2_1"/>
not the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">P</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><br/>

<b>thus </b><a NAME="E4:89_2_1"/>
<font color="Maroon" title="c4">P</font> is <a href="pcs_0.html#V15" title="PCS_0:attr.15">anti-pcs-like</a>
 ;<br/>


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