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<b>let </b><font color="Maroon" title="c17">s</font> be   <a href="ami_1.html#NM4" title="AMI_1:NM.4">State</a> of <a href="scmpds_2.html#K1" title="SCMPDS_2:func.1">SCMPDS</a> ;<br/><b>let </b><font color="Maroon" title="c18">n</font> be    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> ;<br/>



<b>thus </b><a NAME="E1:19"/>
( <span class="p1">(<span class="default"><a href="scmpds_4.html#K9" title="SCMPDS_4:func.9">IExec</a> <span class="p2">(<span class="default"><a href="scpinvar.html#K2" title="SCPINVAR:func.2">Fib-macro</a> <font color="Maroon" title="c18">n</font></span>)</span>,<font color="Maroon" title="c17">s</font></span>)</span> <a href="scmpds_2.html#K2" title="SCMPDS_2:func.2">.</a> <span class="p1">(<span class="default"><a href="scmp_gcd.html#K1" title="SCMP_GCD:func.1">intpos</a> 1</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="pre_ff.html#K3" title="PRE_FF:func.3">Fib</a> <font color="Maroon" title="c18">n</font> &amp; <span class="p1">(<span class="default"><a href="scmpds_4.html#K9" title="SCMPDS_4:func.9">IExec</a> <span class="p2">(<span class="default"><a href="scpinvar.html#K2" title="SCPINVAR:func.2">Fib-macro</a> <font color="Maroon" title="c18">n</font></span>)</span>,<font color="Maroon" title="c17">s</font></span>)</span> <a href="scmpds_2.html#K2" title="SCMPDS_2:func.2">.</a> <span class="p1">(<span class="default"><a href="scmp_gcd.html#K1" title="SCMP_GCD:func.1">intpos</a> 2</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="pre_ff.html#K3" title="PRE_FF:func.3">Fib</a> <span class="p1">(<span class="default"><font color="Maroon" title="c18">n</font> <a href="nat_1.html#K2" title="NAT_1:func.2">+</a> 1</span>)</span> )
 <b>by </b><i><a class="txt" href="scpinvar.html#E20"><i><font color="Green" title="E13">Lm8</font></i></a></i>;<br/>

<a NAME="E2:19"/>
for <font color="Olive" title="b1">t</font> being  <a href="ami_1.html#NM4" title="AMI_1:NM.4">State</a> of <a href="scmpds_2.html#K1" title="SCMPDS_2:func.1">SCMPDS</a>  holds   <a href="scpinvar.html#K2" title="SCPINVAR:func.2">Fib-macro</a> <font color="Maroon" title="c18">n</font> <a href="scmpds_6.html#R2" title="SCMPDS_6:pred.2">is_halting_on</a> <font color="Olive" title="b1">t</font>
 
<b>by </b><i><a class="txt" href="scpinvar.html#E20"><i><font color="Green" title="E13">Lm8</font></i></a></i>;<br/>
<b>hence </b><a NAME="E3:19"/>
 <a href="scpinvar.html#K2" title="SCPINVAR:func.2">Fib-macro</a> <font color="Maroon" title="c18">n</font> is <a href="scmpds_4.html#V2" title="SCMPDS_4:attr.2">parahalting</a>
 <b>by </b><i><a class="ref" href="scmpds_6.html#T35" title="SCMPDS_6:th.35">SCMPDS_6:35</a></i>;<br/>


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