<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T55"><span class="comment"><font color="firebrick">:: MIDSP_1:55</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> holds   <a href="struct_0.html#K4" title="STRUCT_0:func.4">0.</a> <span class="p1">(<span class="default"><a href="midsp_1.html#K15" title="MIDSP_1:func.15">vectgroup</a> <font color="Olive" title="b1">M</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="midsp_1.html#K14" title="MIDSP_1:func.14">zerovect</a> <font color="Olive" title="b1">M</font> ;<br/></div></div>
