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<b>let </b><font color="Maroon" title="c3">P</font> be    <a href="pcs_0.html#L2" title="PCS_0:struct.2">pcs-Str</a> ;<br/><b>let </b><font color="Maroon" title="c4">D</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/>



<b>set </b><font color="Maroon" title="c5">R</font> =  <a href="pcs_0.html#K26" title="PCS_0:func.26">pcs-general-power</a> <font color="Maroon" title="c3">P</font>,<font color="Maroon" title="c4">D</font>;<br/>
<b>let </b><font color="Maroon" title="c6">p</font>, <font color="Maroon" title="c7">q</font> be   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <span class="p1">(<span class="default"><a href="pcs_0.html#K26" title="PCS_0:func.26">pcs-general-power</a> <font color="Maroon" title="c3">P</font>,<font color="Maroon" title="c4">D</font></span>)</span>;<br/>

<b>assume </b><a NAME="E1:208"/><i><font color="Green" title="E70">a1</font></i>: 
<span class="p1"><a href="tarski.html#K4" title="TARSKI:func.4">[</a><span class="default"><font color="Maroon" title="c6">p</font>,<font color="Maroon" title="c7">q</font></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="pcs_0.html#U1" title="PCS_0:sel.1">ToleranceRel</a> of <span class="p1">(<span class="default"><a href="pcs_0.html#K26" title="PCS_0:func.26">pcs-general-power</a> <font color="Maroon" title="c3">P</font>,<font color="Maroon" title="c4">D</font></span>)</span>
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="pcs_0.html#D7" target="_self" title="PCS_0:def.7">PCS_0:def 7</a><br/>

<b>let </b><font color="Maroon" title="c8">p'</font>, <font color="Maroon" title="c9">q'</font> be   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c3">P</font>;<br/>

<b>assume </b><a NAME="E2:208"/>
( <font color="Maroon" title="c8">p'</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c6">p</font> &amp; <font color="Maroon" title="c9">q'</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c7">q</font> )
 ;<br/>

<b>hence </b><a NAME="E3:208"/>
<span class="p1"><a href="tarski.html#K4" title="TARSKI:func.4">[</a><span class="default"><font color="Maroon" title="c8">p'</font>,<font color="Maroon" title="c9">q'</font></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="pcs_0.html#U1" title="PCS_0:sel.1">ToleranceRel</a> of <font color="Maroon" title="c3">P</font>
 <b>by </b><i><a class="txt" href="pcs_0.html#E1:208"><i><font color="Green" title="E70">a1</font></i></a>, <a class="ref" href="pcs_0.html#D46" target="_self" title="PCS_0:def.46">Defp6</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="pcs_0.html#D7" target="_self" title="PCS_0:def.7">PCS_0:def 7</a><br/>


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