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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E179">Th50</font></span>: <a NAME="T251"><span class="comment"><font color="firebrick">:: GROUP_1A:251</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">G</font> being   <a href="group_1a.html#NM1" title="GROUP_1A:NM.1">addGroup</a><br/>  for <font color="Olive" title="b2">g</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Olive" title="b1">G</font><br/>  for <font color="Olive" title="b3">A</font> being   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <font color="Olive" title="b1">G</font> holds  <font color="Olive" title="b3">A</font> <a href="group_1a.html#K27" title="GROUP_1A:func.27">*</a> <font color="Olive" title="b2">g</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="group_1a.html#K2" title="GROUP_1A:func.2">-</a> <font color="Olive" title="b2">g</font></span>)</span> <a href="group_1a.html#K9" title="GROUP_1A:func.9">+</a> <font color="Olive" title="b3">A</font></span>)</span> <a href="group_1a.html#K10" title="GROUP_1A:func.10">+</a> <font color="Olive" title="b2">g</font></div></div>
