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<b>take </b>
 <a href="pre_topc.html#K2">[#]</a> <font color="Maroon">T</font>
;<br/>

<b>thus </b><a NAME="E1:25_1_1"/>
(  <a href="pre_topc.html#K2">[#]</a> <font color="Maroon">T</font> is <a href="waybel11.html#V2" target="_self">closed_under_directed_sups</a> &amp;  <a href="pre_topc.html#K2">[#]</a> <font color="Maroon">T</font> is <a href="waybel_0.html#V12">lower</a> &amp;  <a href="pre_topc.html#K2">[#]</a> <font color="Maroon">T</font> is <a href="waybel11.html#V1" target="_self">inaccessible_by_directed_joins</a> &amp;  <a href="pre_topc.html#K2">[#]</a> <font color="Maroon">T</font> is <a href="waybel_0.html#V13">upper</a> )
 ;<br/>


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