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<a NAME="E1:8_1"/><i><font color="Green" title="E2">A2</font></i>: 
(  ex <font color="Olive" title="b1">a</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>  st <font color="Maroon">P<sub>1</sub></font>[<font color="Olive" title="b1">a</font>] or for <font color="Olive" title="b1">b</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>  holds  <font color="Maroon">P<sub>2</sub></font>[<font color="Olive" title="b1">b</font>] )
 
<b>by </b><i><a class="txt" href="schems_1.html#E1:8"><i><font color="Green" title="E1">A1</font></i></a></i>;<br/>
<a NAME="E2:8_1"/>
 ex <font color="Olive" title="b1">a</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>  st <br/>for <font color="Olive" title="b2">b</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>   holds <br/>( <font color="Maroon">P<sub>1</sub></font>[<font color="Olive" title="b1">a</font>] or <font color="Maroon">P<sub>2</sub></font>[<font color="Olive" title="b2">b</font>] )
 
<b>from </b><i><a class="ref" href="schems_1.html#S6" target="_self" title="SCHEMS_1:sch.6">SCHEMS_1:sch 6</a>(<a class="txt" href="schems_1.html#E1:8_1"><i><font color="Green" title="E2">A2</font></i></a>);<br/></i>
<b>hence </b><a NAME="E3:8_1"/>
 ex <font color="Olive" title="b1">a</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>  st <br/>for <font color="Olive" title="b2">b</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>   holds <br/>( <font color="Maroon">P<sub>1</sub></font>[<font color="Olive" title="b1">a</font>] or <font color="Maroon">P<sub>2</sub></font>[<font color="Olive" title="b2">b</font>] )
 ;<br/>


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