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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E30">Th21</font></span>: <a NAME="T21"><span class="comment"><font color="firebrick">:: MONOID_0:21</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">G</font> being    <a href="algstr_0.html#L3" title="ALGSTR_0:struct.3">multMagma</a> <br/>  for <font color="Olive" title="b2">M</font> being    <a href="monoid_0.html#M3" title="MONOID_0:mode.3">MonoidalSubStr</a> of <font color="Olive" title="b1">G</font> holds  <font color="Olive" title="b2">M</font> is    <a href="monoid_0.html#M2" title="MONOID_0:mode.2">SubStr</a> of <font color="Olive" title="b1">G</font></div></div>
