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<b>let </b><font color="Maroon" title="c1">m</font>, <font color="Maroon" title="c2">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> ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> for <font color="Olive" title="b1">L</font> being <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a> <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <a href="scmfsa_2.html#K3" title="SCMFSA_2:func.3">FinSeq-Locations</a>   st  <a href="sf_mastr.html#K7" title="SF_MASTR:func.7">First*NotIn</a> <font color="Olive" title="b1">L</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="scmfsa_2.html#K6" title="SCMFSA_2:func.6">fsloc</a> <font color="Maroon" title="c1">m</font> &amp; not  <a href="scmfsa_2.html#K6" title="SCMFSA_2:func.6">fsloc</a> <font color="Maroon" title="c2">n</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Olive" title="b1">L</font> holds <br/><font color="Maroon" title="c1">m</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c2">n</font></span><br/><b>let </b><font color="Maroon" title="c3">L</font> be  <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a> <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <a href="scmfsa_2.html#K3" title="SCMFSA_2:func.3">FinSeq-Locations</a> ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> (  <a href="sf_mastr.html#K7" title="SF_MASTR:func.7">First*NotIn</a> <font color="Maroon" title="c3">L</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="scmfsa_2.html#K6" title="SCMFSA_2:func.6">fsloc</a> <font color="Maroon" title="c1">m</font> &amp; not  <a href="scmfsa_2.html#K6" title="SCMFSA_2:func.6">fsloc</a> <font color="Maroon" title="c2">n</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c3">L</font> implies <font color="Maroon" title="c1">m</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c2">n</font> )</span><br/>





<b>assume </b><a NAME="E1:72"/><i><font color="Green" title="E50">A1</font></i>: 
(  <a href="sf_mastr.html#K7" title="SF_MASTR:func.7">First*NotIn</a> <font color="Maroon" title="c3">L</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="scmfsa_2.html#K6" title="SCMFSA_2:func.6">fsloc</a> <font color="Maroon" title="c1">m</font> &amp; not  <a href="scmfsa_2.html#K6" title="SCMFSA_2:func.6">fsloc</a> <font color="Maroon" title="c2">n</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c3">L</font> )
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <font color="Maroon" title="c1">m</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c2">n</font></span><br/>

<b>consider </b><font color="Maroon" title="c4">sn</font> being  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> <b> such that </b><br/><a NAME="E3:72"/><i><font color="Green" title="E51">A2</font></i>: 
 <a href="sf_mastr.html#K7" title="SF_MASTR:func.7">First*NotIn</a> <font color="Maroon" title="c3">L</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="scmfsa_2.html#K6" title="SCMFSA_2:func.6">fsloc</a> <span class="p1">(<span class="default"><a href="seq_4.html#K6" title="SEQ_4:func.6">min</a> <font color="Maroon" title="c4">sn</font></span>)</span>
 <b>and </b><br/><a NAME="E4:72"/><i><font color="Green" title="E52">A3</font></i>: 
<font color="Maroon" title="c4">sn</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">{<span class="default"> <font color="Olive" title="b1">k</font> where <font color="Olive" title="b1">k</font> is    <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>  : not  <a href="scmfsa_2.html#K6" title="SCMFSA_2:func.6">fsloc</a> <font color="Olive" title="b1">k</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c3">L</font> </span>}</span> 
 <b>by </b><i><a class="ref" href="sf_mastr.html#D8" target="_self" title="SF_MASTR:def.8">Def8</a></i>;<br/>
<a NAME="E5:72"/>
<font color="Maroon" title="c2">n</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c4">sn</font>
 
<b>by </b><i><a class="txt" href="#E1:72"><i><font color="Green" title="E50">A1</font></i></a>, <a class="txt" href="#E4:72"><i><font color="Green" title="E52">A3</font></i></a></i>;<br/>
<b>hence </b><a NAME="E6:72"/>
<font color="Maroon" title="c1">m</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Maroon" title="c2">n</font>
 <b>by </b><i><a class="txt" href="#E1:72"><i><font color="Green" title="E50">A1</font></i></a>, <a class="txt" href="#E3:72"><i><font color="Green" title="E51">A2</font></i></a>, <a class="ref" href="xxreal_2.html#D7" title="XXREAL_2:def.7">XXREAL_2:def 7</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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