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<b>let </b><font color="Maroon">e</font> be    <a href="subset_1.html#M1">Element</a> of the <a href="msualg_1.html#U4">Sorts</a> of <span class="p1">(<span class="default"><a href="msafree.html#K11">FreeMSA</a> <font color="Maroon">X</font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">v</font>;<br/>

<b>thus </b><a NAME="E1:33_1_1"/>
<font color="Maroon">e</font> is <a href="finset_1.html#V1">finite</a>
 <b>by </b><i/>;<br/>

<b>reconsider </b><font color="Maroon">e'</font> = <font color="Maroon">e</font> as   <a href="trees_2.html#NM4">DecoratedTree</a> <b>by </b><i/>;<br/>
<a NAME="E3:33_1_1"/>
 <a href="relat_1.html#K1">dom</a> <font color="Maroon">e'</font> is   <a href="trees_1.html#NM1">Tree</a>
 
;<br/>
<b>hence </b><a NAME="E4:33_1_1"/>
not <font color="Maroon">e</font> is <a href="xboole_0.html#V1">empty</a>
 <b>by </b><i><a class="ref" href="relat_1.html#T60">RELAT_1:60</a></i>;<br/>

<b>thus </b><a NAME="E5:33_1_1"/>
( <font color="Maroon">e</font> is <a href="funct_1.html#V1">Function-like</a> &amp; <font color="Maroon">e</font> is <a href="relat_1.html#V1">Relation-like</a> )
 <b>by </b><i/>;<br/>


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