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<span class="kw">let </span><font color="Maroon" title="c1">n</font> be   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</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">  for <font color="Olive" title="b1">R</font> being   <a href="relat_1.html#NM1" title="RELAT_1:NM.1">Relation</a> holds  <span class="p1">(<span class="default"><a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> <span class="p2">(<span class="default"><a href="relat_1.html#K1" title="RELAT_1:func.1">field</a> <font color="Olive" title="b1">R</font></span>)</span></span>)</span> <a href="relat_1.html#NK6" title="RELAT_1:NK.6">*</a> <span class="p1">(<span class="default"><a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Olive" title="b1">R</font>,<font color="Maroon" title="c1">n</font>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Olive" title="b1">R</font>,<font color="Maroon" title="c1">n</font>)</span><br/><span class="kw">let </span><font color="Maroon" title="c2">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"> <span class="p1">(<span class="default"><a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> <span class="p2">(<span class="default"><a href="relat_1.html#K1" title="RELAT_1:func.1">field</a> <font color="Maroon" title="c2">R</font></span>)</span></span>)</span> <a href="relat_1.html#NK6" title="RELAT_1:NK.6">*</a> <span class="p1">(<span class="default"><a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c2">R</font>,<font color="Maroon" title="c1">n</font>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c2">R</font>,<font color="Maroon" title="c1">n</font>)</span><br/>



<a NAME="E1:107"/>
 <a href="relat_1.html#NK1" title="RELAT_1:NK.1">dom</a> <span class="p1">(<span class="default"><a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c2">R</font>,<font color="Maroon" title="c1">n</font>)</span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">field</a> <font color="Maroon" title="c2">R</font>
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="funct_7.html#T72" target="_self" onmouseover="rs('funct_7/T72')" onmouseout="rh()">Th71</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:107"/>
<span class="p1">(<span class="default"><a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> <span class="p2">(<span class="default"><a href="relat_1.html#K1" title="RELAT_1:func.1">field</a> <font color="Maroon" title="c2">R</font></span>)</span></span>)</span> <a href="relat_1.html#NK6" title="RELAT_1:NK.6">*</a> <span class="p1">(<span class="default"><a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c2">R</font>,<font color="Maroon" title="c1">n</font>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="funct_7.html#K8" title="FUNCT_7:func.8">iter</a> (<font color="Maroon" title="c2">R</font>,<font color="Maroon" title="c1">n</font>)
 <span class="kw">by</span> <span class="lab"><a class="ref" href="relat_1.html#T51" onmouseover="rs('relat_1/T51')" onmouseout="rh()">RELAT_1:51</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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