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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E23">Th22</font></span>: <a NAME="T22"><span class="comment"><font color="firebrick">:: CATALAN2:22</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">m</font>, <font color="Olive" title="b2">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds <br/> (  <a href="catalan2.html#K2" title="CATALAN2:func.2">Domin_0</a> (<font color="Olive" title="b2">n</font>,<font color="Olive" title="b1">m</font>) is  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>  iff 2 <a href="xcmplx_0.html#K3" title="XCMPLX_0:func.3">*</a> <font color="Olive" title="b1">m</font> <a href="xxreal_0.html#NR4" title="XXREAL_0:NR.4">&gt;</a> <font color="Olive" title="b2">n</font> )</div></div>
