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<a NAME="E1:43"/><i><font color="Green">E27</font></i>: 
(  <a href="relat_1.html#K1">dom</a> <a href="xboole_0.html#K1">{}</a>  <a href="hidden.html#R1">=</a>  <a href="xboole_0.html#K1">{}</a>  &amp;  <a href="relat_1.html#K1">dom</a> <span class="p1">(<span class="default"><a href="funct_5.html#K3" target="_self">curry</a> <a href="xboole_0.html#K1">{}</a> </span>)</span> <a href="hidden.html#R1">=</a>  <a href="funct_5.html#K1" target="_self">proj1</a> <span class="p1">(<span class="default"><a href="relat_1.html#K1">dom</a> <a href="xboole_0.html#K1">{}</a> </span>)</span> )
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:43"/>
 <a href="funct_5.html#K3" target="_self">curry</a> <a href="xboole_0.html#K1">{}</a>  <a href="hidden.html#R1">=</a>  <a href="xboole_0.html#K1">{}</a> 
 <b>by </b><i>, <a class="ref" href="relat_1.html#T64">RELAT_1:64</a></i>;<br/>

<b>thus </b><a NAME="E3:43"/>
 <a href="funct_5.html#K5" target="_self">curry'</a> <a href="xboole_0.html#K1">{}</a>  <a href="hidden.html#R1">=</a>  <a href="xboole_0.html#K1">{}</a> 
 <b>by </b><i>, , , <a class="ref" href="relat_1.html#T64">RELAT_1:64</a></i>;<br/>


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