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<b>take </b>
 <a href="struct_0.html#K1" title="STRUCT_0:func.1">{}</a> <font color="Maroon" title="c1">A</font>
;<br/>

<a NAME="E1:60_1_1"/>
 <a href="roughs_1.html#K3" title="ROUGHS_1:func.3">LAp</a> <span class="p1">(<span class="default"><a href="struct_0.html#K1" title="STRUCT_0:func.1">{}</a> <font color="Maroon" title="c1">A</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> 
 
<b>by </b><i><a class="ref" href="roughs_1.html#T18" target="_self" title="ROUGHS_1:th.18">Th18</a></i>;<br/>
<b>hence </b><a NAME="E2:60_1_1"/>
not  <a href="struct_0.html#K1" title="STRUCT_0:func.1">{}</a> <font color="Maroon" title="c1">A</font> is <a href="roughs_1.html#V4" title="ROUGHS_1:attr.4">rough</a>
 <b>by </b><i><a class="ref" href="roughs_1.html#T15" target="_self" title="ROUGHS_1:th.15">Th15</a></i>;<br/>


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