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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E18">Th22</font></span>: <a NAME="T22"><span class="comment"><font color="firebrick">:: BCIALG_5:22</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">i</font>, <font color="Olive" title="b2">j</font>, <font color="Olive" title="b3">m</font>, <font color="Olive" title="b4">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a><br/>  for <font color="Olive" title="b5">X</font> being   <a href="bcialg_5.html#NM2" title="BCIALG_5:NM.2">BCK-algebra</a> of <font color="Olive" title="b1">i</font>,<font color="Olive" title="b2">j</font>,<font color="Olive" title="b3">m</font>,<font color="Olive" title="b4">n</font> holds  <font color="Olive" title="b5">X</font> is   <a href="bcialg_5.html#NM2" title="BCIALG_5:NM.2">BCK-algebra</a> of <font color="Olive" title="b4">n</font>,<font color="Olive" title="b2">j</font>,<font color="Olive" title="b3">m</font>,<font color="Olive" title="b4">n</font></div></div>
