<?xml version="1.0"?>
<div class="add">

<b>consider </b><font color="Maroon">q</font> being    <a href="dtconstr.html#M2">SubtreeSeq</a> of <font color="Maroon">sy</font>;<br/>
<a NAME="E2:8_1_1"/>
<font color="Maroon">q</font> is    <a href="trees_4.html#M1">FinSequence</a> of <font color="Maroon">S</font> <a href="msaterm.html#K1" target="_self">-Terms</a> <font color="Maroon">V</font>
 
;<br/>
<b>hence </b><a NAME="E3:8_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being   <a href="trees_4.html#M1">FinSequence</a> of <font color="Maroon">S</font> <a href="msaterm.html#K1" target="_self">-Terms</a> <font color="Maroon">V</font> st <font color="Olive">b<sub>1</sub></font> is    <a href="dtconstr.html#M2">SubtreeSeq</a> of <font color="Maroon">sy</font>
 ;<br/>


</div>
