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<a NAME="E1:13_1_1"/>
0 <a href="catalan2.html#K1" target="_self">--&gt;</a> 0 is <a href="catalan2.html#V1" target="_self">dominated_by_0</a>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:13_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being  <a href="afinsq_1.html#NM2">XFinSequence</a> of  <a href="numbers.html#K5">NAT</a>  st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="xboole_0.html#V1">empty</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="catalan2.html#V1" target="_self">dominated_by_0</a> )
 ;<br/>


</div>
