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<a NAME="E1:154_1_1"/><i><font color="Green" title="E100">A1</font></i>: 
 <a href="unialg_1.html#K3" title="UNIALG_1:func.3">arity</a> <font color="Maroon" title="c1">g</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 2
 
<b>by </b><i><a class="ref" href="comput_1.html#D26" target="_self" title="COMPUT_1:def.26">Def26</a></i>;<br/>
<a NAME="E2:154_1_1"/>
<font color="Maroon" title="c1">g</font> is  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> <a href="unialg_1.html#V1" title="UNIALG_1:attr.1">homogeneous</a> <a href="unialg_1.html#V2" title="UNIALG_1:attr.2">quasi_total</a> <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a>  <a href="finseq_2.html#K3" title="FINSEQ_2:func.3">*</a> , <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> 
 
<b>by </b><i><a class="ref" href="comput_1.html#T20" target="_self" title="COMPUT_1:th.20">Th20</a></i>;<br/>
<b>then consider </b><font color="Maroon" title="c2">G</font> being  <a href="unialg_1.html#V1" title="UNIALG_1:attr.1">homogeneous</a> <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a>  <a href="finseq_2.html#K3" title="FINSEQ_2:func.3">*</a> , <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> <b> such that </b><br/><a NAME="E4:154_1_1"/><i><font color="Green" title="E101">A2</font></i>: 
<font color="Maroon" title="c2">G</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">g</font> <a href="funct_1.html#NK3" title="FUNCT_1:NK.3">*</a> <span class="p1"><a href="funct_6.html#K6" title="FUNCT_6:func.6">&lt;:</a><span class="default"><span class="p2"><a href="finseq_1.html#K10" title="FINSEQ_1:func.10">&lt;*</a><span class="default"><span class="p3">(<span class="default">3 <a href="comput_1.html#K7" title="COMPUT_1:func.7">proj</a> 1</span>)</span>,<span class="p3">(<span class="default">3 <a href="comput_1.html#K7" title="COMPUT_1:func.7">proj</a> 3</span>)</span></span><a href="finseq_1.html#K10" title="FINSEQ_1:func.10">*&gt;</a></span></span><a href="funct_6.html#K6" title="FUNCT_6:func.6">:&gt;</a></span>
 <b>and </b><br/><a NAME="E5:154_1_1"/>
<font color="Maroon" title="c2">G</font> is    <a href="rfunct_3.html#M2" title="RFUNCT_3:mode.2">Element</a> of  <a href="comput_1.html#K4" title="COMPUT_1:func.4">HFuncs</a> <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> 
 <b>and </b><br/><a NAME="E6:154_1_1"/><i><font color="Green" title="E102">A3</font></i>: 
 <a href="unialg_1.html#K3" title="UNIALG_1:func.3">arity</a> <font color="Maroon" title="c2">G</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 3
 <b>and </b><br/><a NAME="E7:154_1_1"/><i><font color="Green" title="E103">A4</font></i>: 
( <font color="Maroon" title="c2">G</font> is <a href="unialg_1.html#V2" title="UNIALG_1:attr.2">quasi_total</a> &amp; not <font color="Maroon" title="c2">G</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> )
 <b>by </b><i><a class="txt" href="comput_1.html#E1:154_1_1"><i><font color="Green" title="E100">A1</font></i></a>, <a class="txt" href="comput_1.html#E122"><i><font color="Green" title="E99">Lm9</font></i></a></i>;<br/>
<b>reconsider </b><font color="Maroon" title="c3">G'</font> = <font color="Maroon" title="c2">G</font> as  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> <a href="unialg_1.html#V1" title="UNIALG_1:attr.1">homogeneous</a> <a href="unialg_1.html#V2" title="UNIALG_1:attr.2">quasi_total</a> <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a>  <a href="finseq_2.html#K3" title="FINSEQ_2:func.3">*</a> , <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a>  <b>by </b><i><a class="txt" href="comput_1.html#E7:154_1_1"><i><font color="Green" title="E103">A4</font></i></a></i>;<br/>
<a NAME="E9:154_1_1"/>
<font color="Maroon" title="c3">G'</font> is  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> <a href="comput_1.html#NV2" title="COMPUT_1:NV.2">to-naturals</a> <a href="unialg_1.html#V1" title="UNIALG_1:attr.1">homogeneous</a> <a href="comput_1.html#V2" title="COMPUT_1:attr.2">from-natural-fseqs</a> <a href="comput_1.html#V3" title="COMPUT_1:attr.3">len-total</a> <a href="comput_1.html#V12" title="COMPUT_1:attr.12">3-ary</a> <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a>
 
<b>by </b><i><a class="txt" href="comput_1.html#E6:154_1_1"><i><font color="Green" title="E102">A3</font></i></a>, <a class="ref" href="comput_1.html#D27" target="_self" title="COMPUT_1:def.27">Def27</a></i>;<br/>
<b>hence </b><a NAME="E10:154_1_1"/>
( not  <a href="comput_1.html#K15" title="COMPUT_1:func.15">(1,2)-&gt;(1,?,2)</a> <font color="Maroon" title="c1">g</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> &amp;  <a href="comput_1.html#K15" title="COMPUT_1:func.15">(1,2)-&gt;(1,?,2)</a> <font color="Maroon" title="c1">g</font> is <a href="comput_1.html#V12" title="COMPUT_1:attr.12">3-ary</a> &amp;  <a href="comput_1.html#K15" title="COMPUT_1:func.15">(1,2)-&gt;(1,?,2)</a> <font color="Maroon" title="c1">g</font> is <a href="comput_1.html#V3" title="COMPUT_1:attr.3">len-total</a> )
 <b>by </b><i><a class="txt" href="comput_1.html#E4:154_1_1"><i><font color="Green" title="E101">A2</font></i></a></i>;<br/>


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