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<b>let </b><font color="Maroon">M</font> be   <a href="midsp_1.html#NM1">MidSp</a>;<br/><b>let </b><font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">M</font>;<br/><b>let </b><font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">M</font>;<br/><b>let </b><font color="Maroon">c</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">M</font>;<br/>







<span class="p1">(<span class="default"><font color="Maroon">a</font> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">b</font></span>)</span> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">c</font> = 
<span class="p1">(<span class="default"><font color="Maroon">a</font> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">b</font></span>)</span> <a href="midsp_1.html#K4" target="_self">@</a> <span class="p1">(<span class="default"><font color="Maroon">c</font> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">c</font></span>)</span>
<b>by </b><i/>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon">a</font> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">c</font></span>)</span> <a href="midsp_1.html#K4" target="_self">@</a> <span class="p1">(<span class="default"><font color="Maroon">b</font> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">c</font></span>)</span>
<b>by </b><i/>
;<br/>
<b>hence </b><a NAME="E2:12"/>
<span class="p1">(<span class="default"><font color="Maroon">a</font> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">b</font></span>)</span> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">c</font> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><font color="Maroon">a</font> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">c</font></span>)</span> <a href="midsp_1.html#K4" target="_self">@</a> <span class="p1">(<span class="default"><font color="Maroon">b</font> <a href="midsp_1.html#K4" target="_self">@</a> <font color="Maroon">c</font></span>)</span>
 ;<br/>


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