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<b>let </b><font color="Maroon" title="c1">d'</font> be    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> ;<br/><b>let </b><font color="Maroon" title="c2">G</font> be    <a href="chain_1.html#M1" title="CHAIN_1:mode.1">Grating</a> of <font color="Maroon" title="c1">d'</font> <a href="nat_1.html#K2" title="NAT_1:func.2">+</a> 1;<br/><b>let </b><font color="Maroon" title="c3">C</font> be   <a href="chain_1.html#NM4" title="CHAIN_1:NM.4">Chain</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c1">d'</font> <a href="nat_1.html#K2" title="NAT_1:func.2">+</a> 1</span>)</span>,<font color="Maroon" title="c2">G</font>;<br/>





<b>thus </b> <a href="chain_1.html#K11" title="CHAIN_1:func.11">del</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">C</font> <a href="subset_1.html#K3" title="SUBSET_1:func.3">`</a> </span>)</span> = 
 <a href="chain_1.html#K11" title="CHAIN_1:func.11">del</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">C</font> <a href="chain_1.html#K8" title="CHAIN_1:func.8">+</a> <span class="p2">(<span class="default"><a href="chain_1.html#K7" title="CHAIN_1:func.7">Omega</a> <font color="Maroon" title="c2">G</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="chain_1.html#T60" target="_self" title="CHAIN_1:th.60">Th60</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="chain_1.html#K11" title="CHAIN_1:func.11">del</a> <font color="Maroon" title="c3">C</font></span>)</span> <a href="chain_1.html#K8" title="CHAIN_1:func.8">+</a> <span class="p1">(<span class="default"><a href="chain_1.html#K11" title="CHAIN_1:func.11">del</a> <span class="p2">(<span class="default"><a href="chain_1.html#K7" title="CHAIN_1:func.7">Omega</a> <font color="Maroon" title="c2">G</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="chain_1.html#T63" target="_self" title="CHAIN_1:th.63">Th63</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="chain_1.html#K11" title="CHAIN_1:func.11">del</a> <font color="Maroon" title="c3">C</font></span>)</span> <a href="chain_1.html#K8" title="CHAIN_1:func.8">+</a> <span class="p1">(<span class="default"><a href="chain_1.html#K6" title="CHAIN_1:func.6">0_</a> <font color="Maroon" title="c1">d'</font>,<font color="Maroon" title="c2">G</font></span>)</span>
<b>by </b><i><a class="ref" href="chain_1.html#T62" target="_self" title="CHAIN_1:th.62">Th62</a></i>
<br/>.= 
 <a href="chain_1.html#K11" title="CHAIN_1:func.11">del</a> <font color="Maroon" title="c3">C</font>

;<br/>


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