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<b>let </b><font color="Maroon">R</font> be   <a href="funcsdom.html#NM1">Ring</a>;<br/><b>let </b><font color="Maroon">V</font> be   <a href="vectsp_2.html#NM7">RightMod</a> of <font color="Maroon">R</font>;<br/><b>let </b><font color="Maroon">T</font> be  <a href="finset_1.html#V1">finite</a> <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">V</font>;<br/><b>let </b><font color="Maroon">S</font> be  <a href="finset_1.html#V1">finite</a> <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">V</font>;<br/>







<a NAME="E1:18"/><i><font color="Green">E48</font></i>: 
<font color="Maroon">T</font> <a href="subset_1.html#K7">\</a> <font color="Maroon">S</font> <a href="xboole_0.html#R1">misses</a> <font color="Maroon">S</font> <a href="subset_1.html#K7">\</a> <font color="Maroon">T</font>
 
<b>by </b><i><a class="ref" href="xboole_1.html#T82">XBOOLE_1:82</a></i>;<br/>
<b>thus </b><a NAME="E2:18"/>
 <a href="rmod_4.html#K1" target="_self">Sum</a> <span class="p1">(<span class="default"><font color="Maroon">T</font> <a href="subset_1.html#K5">\+\</a> <font color="Maroon">S</font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><a href="rmod_4.html#K1" target="_self">Sum</a> <span class="p2">(<span class="default"><font color="Maroon">T</font> <a href="subset_1.html#K7">\</a> <font color="Maroon">S</font></span>)</span></span>)</span> <a href="rlvect_1.html#K4">+</a> <span class="p1">(<span class="default"><a href="rmod_4.html#K1" target="_self">Sum</a> <span class="p2">(<span class="default"><font color="Maroon">S</font> <a href="subset_1.html#K7">\</a> <font color="Maroon">T</font></span>)</span></span>)</span>
 <b>by </b><i>, </i>;<br/>


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