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<b>consider </b><font color="Maroon">c<sub>1</sub></font> being   <a href="trees_1.html#NM1">Tree</a>;<br/>
<b>take </b><font color="Maroon">c<sub>2</sub></font> = <font color="Maroon">c<sub>1</sub></font> <a href="funcop_1.html#K2">--&gt;</a> 0;<br/>

<b>thus </b><a NAME="E2:50_1_1"/>
 <a href="relat_1.html#K1">dom</a> <font color="Maroon">c<sub>2</sub></font> is   <a href="trees_1.html#NM1">Tree</a>
 <b>by </b><i><a class="ref" href="funcop_1.html#T19">FUNCOP_1:19</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="trees_2.html#D8" target="_self">TREES_2:def 8</a><br/>


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