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<b>consider </b><font color="Maroon">c<sub>4</sub></font> being    <a href="dtconstr.html#M2">SubtreeSeq</a> of <font color="Maroon">c<sub>3</sub></font>;<br/>
<a NAME="E2:8_1_1"/>
<font color="Maroon">c<sub>4</sub></font> is    <a href="trees_4.html#M1">FinSequence</a> of <font color="Maroon">c<sub>1</sub></font> <a href="msaterm.html#K1" target="_self">-Terms</a> <font color="Maroon">c<sub>2</sub></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">c<sub>1</sub></font> <a href="msaterm.html#K1" target="_self">-Terms</a> <font color="Maroon">c<sub>2</sub></font> st <font color="Olive">b<sub>1</sub></font> is    <a href="dtconstr.html#M2">SubtreeSeq</a> of <font color="Maroon">c<sub>3</sub></font>
 ;<br/>


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