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<a NAME="E1:25_1_1"/>
not 0 <a href="hidden.html#R2">in</a>  <a href="finseq_1.html#K2">Seg</a> <font color="Maroon">n</font>
 
<b>by </b><i><a class="ref" href="finseq_1.html#T3">FINSEQ_1:3</a></i>;<br/>
<b>hence </b><a NAME="E2:25_1_1"/>
 <a href="finseq_1.html#K2">Seg</a> <font color="Maroon">n</font> is <a href="setfam_1.html#V1">with_non-empty_elements</a>
 <b>by </b><i><a class="ref" href="setfam_1.html#D9">SETFAM_1:def 9</a></i>;<br/>


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