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<span class="kw">let </span><font color="Maroon" title="c47">p0</font>, <font color="Maroon" title="c48">n</font> be   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a>; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> ( <font color="Maroon" title="c47">p0</font> <a href="xxreal_0.html#NR2" title="XXREAL_0:NR.2">&gt;=</a> 7 implies  <a href="scpqsort.html#K2" title="SCPQSORT:func.2">QuickSort</a> (<font color="Maroon" title="c48">n</font>,<font color="Maroon" title="c47">p0</font>) is  <a href="scmpds_4.html#V2" title="SCMPDS_4:attr.2">parahalting</a>  )</span><br/>

<span class="kw">assume </span><a NAME="E1:43"/><span class="lab"><font color="Green" title="E40">A1</font></span>: 
<font color="Maroon" title="c47">p0</font> <a href="xxreal_0.html#NR2" title="XXREAL_0:NR.2">&gt;=</a> 7
 ; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide">  <a href="scpqsort.html#K2" title="SCPQSORT:func.2">QuickSort</a> (<font color="Maroon" title="c48">n</font>,<font color="Maroon" title="c47">p0</font>) is  <a href="scmpds_4.html#V2" title="SCMPDS_4:attr.2">parahalting</a> </span><br/>

<a NAME="E2:43"/>
 for <font color="Olive" title="b1">s</font> being   <a href="memstr_0.html#NM2" title="MEMSTR_0:NM.2">State</a> of <a href="scmpds_2.html#K1" title="SCMPDS_2:func.1">SCMPDS</a><br/>  for <font color="Olive" title="b2">P</font> being   <a href="compos_1.html#NM2" title="COMPOS_1:NM.2">Instruction-Sequence</a> of <a href="scmpds_2.html#K1" title="SCMPDS_2:func.1">SCMPDS</a> holds   <a href="scpqsort.html#K2" title="SCPQSORT:func.2">QuickSort</a> (<font color="Maroon" title="c48">n</font>,<font color="Maroon" title="c47">p0</font>) <a href="scmpds_6.html#R2" title="SCMPDS_6:pred.2">is_halting_on</a> <font color="Olive" title="b1">s</font>,<font color="Olive" title="b2">P</font>
 
<div><a class="txt" onmouseover="tooltip.show('hs2',this)" onmouseout="tooltip.hide()" onclick="hs2(this)" href="javascript:()" title="43_1"><span class="kw">proof </span></a><div class="add">

<span class="kw">let </span><font color="Maroon" title="c49">s</font> be   <a href="memstr_0.html#NM2" title="MEMSTR_0:NM.2">State</a> of <a href="scmpds_2.html#K1" title="SCMPDS_2:func.1">SCMPDS</a>; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide">  for <font color="Olive" title="b1">P</font> being   <a href="compos_1.html#NM2" title="COMPOS_1:NM.2">Instruction-Sequence</a> of <a href="scmpds_2.html#K1" title="SCMPDS_2:func.1">SCMPDS</a> holds   <a href="scpqsort.html#K2" title="SCPQSORT:func.2">QuickSort</a> (<font color="Maroon" title="c48">n</font>,<font color="Maroon" title="c47">p0</font>) <a href="scmpds_6.html#R2" title="SCMPDS_6:pred.2">is_halting_on</a> <font color="Maroon" title="c49">s</font>,<font color="Olive" title="b1">P</font></span><br/><span class="kw">let </span><font color="Maroon" title="c50">P</font> be   <a href="compos_1.html#NM2" title="COMPOS_1:NM.2">Instruction-Sequence</a> of <a href="scmpds_2.html#K1" title="SCMPDS_2:func.1">SCMPDS</a>; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide">  <a href="scpqsort.html#K2" title="SCPQSORT:func.2">QuickSort</a> (<font color="Maroon" title="c48">n</font>,<font color="Maroon" title="c47">p0</font>) <a href="scmpds_6.html#R2" title="SCMPDS_6:pred.2">is_halting_on</a> <font color="Maroon" title="c49">s</font>,<font color="Maroon" title="c50">P</font></span><br/>



<a NAME="E1:43_1"/>
 <a href="scpqsort.html#K2" title="SCPQSORT:func.2">QuickSort</a> (<font color="Maroon" title="c48">n</font>,<font color="Maroon" title="c47">p0</font>) <a href="scmpds_6.html#R2" title="SCMPDS_6:pred.2">is_halting_on</a>  <a href="memstr_0.html#K8" title="MEMSTR_0:func.8">Initialize</a> <font color="Maroon" title="c49">s</font>,<font color="Maroon" title="c50">P</font>
 
<span class="kw">by</span> <span class="lab"><a class="txt" href="#E1:43"><span class="lab"><font color="Green" title="E40">A1</font></span></a>, <a class="txt" href="scpqsort.html#E42"><span class="lab"><font color="Green" title="E39">Lm28</font></span></a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:43_1"/>
 <a href="scpqsort.html#K2" title="SCPQSORT:func.2">QuickSort</a> (<font color="Maroon" title="c48">n</font>,<font color="Maroon" title="c47">p0</font>) <a href="scmpds_6.html#R2" title="SCMPDS_6:pred.2">is_halting_on</a> <font color="Maroon" title="c49">s</font>,<font color="Maroon" title="c50">P</font>
 <span class="kw">by</span> <span class="lab"><a class="ref" href="scmpds_6.html#T126" onmouseover="rs('scmpds_6/T126')" onmouseout="rh()">SCMPDS_6:126</a></span>; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


</div><span class="kw">end;</span></div>
<span class="kw">hence </span><a NAME="E3:43"/>
 <a href="scpqsort.html#K2" title="SCPQSORT:func.2">QuickSort</a> (<font color="Maroon" title="c48">n</font>,<font color="Maroon" title="c47">p0</font>) is  <a href="scmpds_4.html#V2" title="SCMPDS_4:attr.2">parahalting</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="scmpds_6.html#T21" onmouseover="rs('scmpds_6/T21')" onmouseout="rh()">SCMPDS_6:21</a></span>; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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