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<b>let </b><font color="Maroon">P</font> be    <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">m1</font> be    <a href="pnproc_1.html#M1" target="_self">marking</a> of <font color="Maroon">P</font>;<br/><b>let </b><font color="Maroon">m2</font> be    <a href="pnproc_1.html#M1" target="_self">marking</a> of <font color="Maroon">P</font>;<br/>





<b>assume </b><a NAME="E1:41"/><i><font color="Green">E29</font></i>: 
<font color="Maroon">m1</font> <a href="pnproc_1.html#R2" target="_self">c=</a> <font color="Maroon">m2</font>
 ;<br/>

<b>let </b><font color="Maroon">p</font> be    <a href="hidden.html#M1">set</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="pnproc_1.html#D4" target="_self">PNPROC_1:def 4</a><br/>

<b>assume </b><a NAME="E2:41"/>
<font color="Maroon">p</font> <a href="hidden.html#R2">in</a> <font color="Maroon">P</font>
 ;<br/>

<a NAME="E3:41"/><b>then </b><i><font color="Green">E30</font></i>: 
<span class="p1">(<span class="default"><font color="Maroon">m2</font> <a href="pnproc_1.html#K5" target="_self">-</a> <font color="Maroon">m1</font></span>)</span> <a href="pnproc_1.html#K2" target="_self">.</a> <font color="Maroon">p</font> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><font color="Maroon">m2</font> <a href="pnproc_1.html#K2" target="_self">.</a> <font color="Maroon">p</font></span>)</span> <a href="xcmplx_0.html#K6">-</a> <span class="p1">(<span class="default"><font color="Maroon">m1</font> <a href="pnproc_1.html#K2" target="_self">.</a> <font color="Maroon">p</font></span>)</span>
 
<b>by </b><i><a class="txt" href="pnproc_1.html#E1:41"><i><font color="Green">E29</font></i></a>, </i>;<br/>
<a NAME="E4:41"/><i><font color="Green">E35</font></i>: 
<font color="Maroon">m1</font> <a href="pnproc_1.html#K1" target="_self">multitude_of</a> <font color="Maroon">p</font> <a href="xxreal_0.html#NR2" target="_self">&gt;=</a> 0
 
<b>by </b><i><a class="ref" href="nat_1.html#T18">NAT_1:18</a></i>;<br/>
<a NAME="E5:41"/>
<span class="p1">(<span class="default"><font color="Maroon">m2</font> <a href="pnproc_1.html#K2" target="_self">.</a> <font color="Maroon">p</font></span>)</span> <a href="xcmplx_0.html#K6">-</a> 0 <a href="hidden.html#R1">=</a> <font color="Maroon">m2</font> <a href="pnproc_1.html#K2" target="_self">.</a> <font color="Maroon">p</font>
 
;<br/>
<b>hence </b><a NAME="E6:41"/>
<span class="p1">(<span class="default"><font color="Maroon">m2</font> <a href="pnproc_1.html#K5" target="_self">-</a> <font color="Maroon">m1</font></span>)</span> <a href="pnproc_1.html#K1" target="_self">multitude_of</a> <font color="Maroon">p</font> <a href="xxreal_0.html#R1">&lt;=</a> <font color="Maroon">m2</font> <a href="pnproc_1.html#K1" target="_self">multitude_of</a> <font color="Maroon">p</font>
 <b>by </b><i><a class="txt" href="pnproc_1.html#E3:41"><i><font color="Green">E30</font></i></a>, <a class="txt" href="pnproc_1.html#E2"><i><font color="Green">Lemma31</font></i></a>, <a class="ref" href="real_1.html#T92">REAL_1:92</a></i>;<br/>


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