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<b>let </b><font color="Maroon" title="c1">x</font> be  <a href="comput_1.html#V2" title="COMPUT_1:attr.2">from-natural-fseqs</a> <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c1">x</font> is <a href="comput_1.html#V8" title="COMPUT_1:attr.8">primitive-recursive</a> implies <font color="Maroon" title="c1">x</font> is <a href="comput_1.html#V3" title="COMPUT_1:attr.3">len-total</a> )</span><br/>

<b>assume </b><a NAME="E1:136_1_1"/>
<font color="Maroon" title="c1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="comput_1.html#K8" title="COMPUT_1:func.8">PrimRec</a> 
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="comput_1.html#D19" target="_self" title="COMPUT_1:def.19">COMPUT_1:def 19</a> <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <font color="Maroon" title="c1">x</font> is <a href="comput_1.html#V3" title="COMPUT_1:attr.3">len-total</a></span><br/>

<a NAME="E2:136_1_1"/><b>then </b>
<font color="Maroon" title="c1">x</font> is    <a href="comput_1.html#M1" title="COMPUT_1:mode.1">Element</a> of  <a href="comput_1.html#K8" title="COMPUT_1:func.8">PrimRec</a> 
 
;<br/>
<b>hence </b><a NAME="E3:136_1_1"/>
<font color="Maroon" title="c1">x</font> is <a href="comput_1.html#V3" title="COMPUT_1:attr.3">len-total</a>
 ; <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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