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<b>let </b><font color="Maroon">D</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">D'</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">E</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">d</font> be    <a href="subset_1.html#M1">Element</a> of <font color="Maroon">D</font>;<br/><b>let </b><font color="Maroon">d'</font> be    <a href="subset_1.html#M1">Element</a> of <font color="Maroon">D'</font>;<br/><b>let </b><font color="Maroon">i</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">F</font> be   <a href="funct_2.html#NM1">Function</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><font color="Maroon">D</font>,<font color="Maroon">D'</font></span><a href="zfmisc_1.html#K2">:]</a></span>,<font color="Maroon">E</font>;<br/>













<b>thus </b><font color="Maroon">F</font> <a href="finseqop.html#K3" target="_self">[;]</a> <font color="Maroon">d</font>,<span class="p1">(<span class="default"><font color="Maroon">i</font> <a href="finseqop.html#K4" target="_self">|-&gt;</a> <font color="Maroon">d'</font></span>)</span> = 
<font color="Maroon">F</font> <a href="finseqop.html#K1" target="_self">.:</a> <span class="p1">(<span class="default"><font color="Maroon">i</font> <a href="finseqop.html#K4" target="_self">|-&gt;</a> <font color="Maroon">d</font></span>)</span>,<span class="p1">(<span class="default"><font color="Maroon">i</font> <a href="finseqop.html#K4" target="_self">|-&gt;</a> <font color="Maroon">d'</font></span>)</span>
<b>by </b><i><a class="ref" href="funcop_1.html#T19">FUNCOP_1:19</a></i>
<br/>.= 
<font color="Maroon">i</font> <a href="finseqop.html#K4" target="_self">|-&gt;</a> <span class="p1">(<span class="default"><font color="Maroon">F</font> <a href="binop_1.html#K2">.</a> <font color="Maroon">d</font>,<font color="Maroon">d'</font></span>)</span>
<b>by </b><i/>
;<br/>


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