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<b>thus </b><a NAME="E1:23_1_1"/>
( <font color="Maroon">a</font> <a href="abian.html#R1" target="_self">is_a_fixpoint_of</a> <font color="Maroon">f</font> implies <font color="Maroon">a</font> <a href="hidden.html#R1">=</a> <font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">a</font> )
 <b>by </b><i/>;<br/>

<b>assume </b><a NAME="E2:23_1_1"/><i><font color="Green">E38</font></i>: 
<font color="Maroon">a</font> <a href="hidden.html#R1">=</a> <font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">a</font>
 ;<br/>

<a NAME="E3:23_1_1"/>
<font color="Maroon">a</font> <a href="hidden.html#R2">in</a> <font color="Maroon">A</font>
 
;<br/>
<b>hence </b><a NAME="E4:23_1_1"/>
<font color="Maroon">a</font> <a href="hidden.html#R2">in</a>  <a href="relat_1.html#K1">dom</a> <font color="Maroon">f</font>
 <b>by </b><i><a class="ref" href="funct_2.html#T67">FUNCT_2:67</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="abian.html#D3" target="_self">ABIAN:def 3</a><br/>

<b>thus </b><a NAME="E5:23_1_1"/>
<font color="Maroon">a</font> <a href="hidden.html#R1">=</a> <font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">a</font>
 <b>by </b><i/>;<br/>


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