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<span class="kw">let </span><font color="Maroon" title="c1">R</font> be   <a href="relat_1.html#NM1" title="RELAT_1:NM.1">Relation</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="relat_1.html#NK2" title="RELAT_1:NK.2">rng</a> <font color="Maroon" title="c1">R</font> <a href="xboole_0.html#R1" title="XBOOLE_0:pred.1">misses</a>  <a href="relat_1.html#NK1" title="RELAT_1:NK.1">dom</a> <font color="Maroon" title="c1">R</font> implies  <a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c1">R</font>,2) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  )</span><br/>

<span class="kw">assume </span><a NAME="E1:115"/><span class="lab"><font color="Green" title="E58">A1</font></span>: 
 <a href="relat_1.html#NK2" title="RELAT_1:NK.2">rng</a> <font color="Maroon" title="c1">R</font> <a href="xboole_0.html#R1" title="XBOOLE_0:pred.1">misses</a>  <a href="relat_1.html#NK1" title="RELAT_1:NK.1">dom</a> <font color="Maroon" title="c1">R</font>
 ; <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="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c1">R</font>,2) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> </span><br/>

<span class="kw">thus </span> <a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c1">R</font>,2) = 
 <a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c1">R</font>,<span class="p1">(<span class="default">1 <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span>)

<br/>.= 
<span class="p1">(<span class="default"><a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c1">R</font>,1)</span>)</span> <a href="relat_1.html#NK6" title="RELAT_1:NK.6">*</a> <font color="Maroon" title="c1">R</font>
<span class="kw">by</span> <span class="lab"><a class="ref" href="funct_7.html#T71" target="_self" onmouseover="rs('funct_7/T71')" onmouseout="rh()">Th70</a></span>
<br/>.= 
<font color="Maroon" title="c1">R</font> <a href="relat_1.html#NK6" title="RELAT_1:NK.6">*</a> <font color="Maroon" title="c1">R</font>
<span class="kw">by</span> <span class="lab"><a class="ref" href="funct_7.html#T70" target="_self" onmouseover="rs('funct_7/T70')" onmouseout="rh()">Th69</a></span>
<br/>.= 
 <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> 
<span class="kw">by</span> <span class="lab"><a class="txt" href="#E1:115"><span class="lab"><font color="Green" title="E58">A1</font></span></a>, <a class="ref" href="relat_1.html#T44" onmouseover="rs('relat_1/T44')" onmouseout="rh()">RELAT_1:44</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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