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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E29">Th40</font></span>: <a NAME="T40"><span class="comment"><font color="firebrick">:: MIDSP_1:40</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">M</font> being   <a href="midsp_1.html#NM1" title="MIDSP_1:NM.1">MidSp</a><br/>  for <font color="Olive" title="b2">a</font>, <font color="Olive" title="b3">b</font>, <font color="Olive" title="b4">c</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Olive" title="b1">M</font> holds  <span class="p1">(<span class="default"><a href="midsp_1.html#K8" title="MIDSP_1:func.8">vect</a> (<font color="Olive" title="b2">a</font>,<font color="Olive" title="b3">b</font>)</span>)</span> <a href="midsp_1.html#K7" title="MIDSP_1:func.7">+</a> <span class="p1">(<span class="default"><a href="midsp_1.html#K8" title="MIDSP_1:func.8">vect</a> (<font color="Olive" title="b3">b</font>,<font color="Olive" title="b4">c</font>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="midsp_1.html#K8" title="MIDSP_1:func.8">vect</a> (<font color="Olive" title="b2">a</font>,<font color="Olive" title="b4">c</font>)</div></div>
