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<b>let </b><font color="Maroon">X</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">Y</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">Z</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">F</font> be   <a href="funct_2.html#NM1">Function</a> of <font color="Maroon">X</font>,<font color="Maroon">Y</font>;<br/><b>let </b><font color="Maroon">A</font> be   <a href="subset_1.html#NM2">Subset</a> of <font color="Maroon">X</font>;<br/><b>let </b><font color="Maroon">B</font> be   <a href="subset_1.html#NM2">Subset</a> of <font color="Maroon">Z</font>;<br/>











<b>thus </b><span class="p1"><a href="funct_3.html#K16">[:</a><span class="default"><font color="Maroon">F</font>,<span class="p2">(<span class="default"><a href="partfun1.html#K6">id</a> <font color="Maroon">Z</font></span>)</span></span><a href="funct_3.html#K16">:]</a></span> <a href="relset_1.html#K10">.:</a> <span class="p1"><a href="mcart_1.html#K12">[:</a><span class="default"><font color="Maroon">A</font>,<font color="Maroon">B</font></span><a href="mcart_1.html#K12">:]</a></span> = 
<span class="p1"><a href="mcart_1.html#K12">[:</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">F</font> <a href="relset_1.html#K10">.:</a> <font color="Maroon">A</font></span>)</span>,<span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="partfun1.html#K6">id</a> <font color="Maroon">Z</font></span>)</span> <a href="relset_1.html#K10">.:</a> <font color="Maroon">B</font></span>)</span></span><a href="mcart_1.html#K12">:]</a></span>
<b>by </b><i><a class="ref" href="funct_3.html#T93">FUNCT_3:93</a></i>
<br/>.= 
<span class="p1"><a href="mcart_1.html#K12">[:</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">F</font> <a href="relset_1.html#K10">.:</a> <font color="Maroon">A</font></span>)</span>,<font color="Maroon">B</font></span><a href="mcart_1.html#K12">:]</a></span>
<b>by </b><i><a class="ref" href="funct_1.html#T162">FUNCT_1:162</a></i>
;<br/>


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