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<a NAME="E1:27_1"/><i><font color="Green" title="E19">A3</font></i>: 
<font color="Maroon">P<sub>1</sub></font>[ <a href="setwiseo.html#K1" title="SETWISEO:func.1">{}.</a> <font color="Maroon">F<sub>1</sub></font>()]
 
<b>by </b><i><a class="txt" href="#E1:27"><i><font color="Green" title="E17">A1</font></i></a></i>;<br/>
<a NAME="E2:27_1"/><i><font color="Green" title="E20">A4</font></i>: 
for <font color="Olive" title="b1">B'</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="finsub_1.html#K5" title="FINSUB_1:func.5">Fin</a> <font color="Maroon">F<sub>1</sub></font>()<br/> for <font color="Olive" title="b2">b</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon">F<sub>1</sub></font>()  st <font color="Maroon">P<sub>1</sub></font>[<font color="Olive" title="b1">B'</font>] &amp; not <font color="Olive" title="b2">b</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Olive" title="b1">B'</font> holds <br/><font color="Maroon">P<sub>1</sub></font>[<font color="Olive" title="b1">B'</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Olive" title="b2">b</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>]
 
<b>by </b><i><a class="txt" href="#E2:27"><i><font color="Green" title="E18">A2</font></i></a></i>;<br/>
<b>thus </b><a NAME="E3:27_1"/>
for <font color="Olive" title="b1">B</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="finsub_1.html#K5" title="FINSUB_1:func.5">Fin</a> <font color="Maroon">F<sub>1</sub></font>() holds  <font color="Maroon">P<sub>1</sub></font>[<font color="Olive" title="b1">B</font>]
 <b>from </b><i><a class="ref" href="setwiseo.html#S2" target="_self" title="SETWISEO:sch.2">SETWISEO:sch 2</a>(<a class="txt" href="#E1:27_1"><i><font color="Green" title="E19">A3</font></i></a>, <a class="txt" href="#E2:27_1"><i><font color="Green" title="E20">A4</font></i></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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