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

<b>set </b><font color="Maroon">c<sub>1</sub></font> = <span class="p1"><a href="domain_1.html#K6">{</a><span class="default">1</span><a href="domain_1.html#K6">}</a></span>;<br/>
<b>set </b><font color="Maroon">c<sub>2</sub></font> =  <a href="xboole_0.html#K1">{}</a> ;<br/>
<b>reconsider </b><font color="Maroon">c<sub>3</sub></font> =  <a href="xboole_0.html#K1">{}</a>  as   <a href="funct_2.html#NM1">Function</a> of  <a href="xboole_0.html#K1">{}</a> ,<span class="p1"><a href="domain_1.html#K6">{</a><span class="default">1</span><a href="domain_1.html#K6">}</a></span> <b>by </b><i><a class="ref" href="funct_2.html#T55">FUNCT_2:55</a>, <a class="ref" href="relat_1.html#T60">RELAT_1:60</a></i>;<br/>
<b>set </b><font color="Maroon">c<sub>4</sub></font> =  <a href="glib_000.html#K12">createGraph</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default">1</span><a href="domain_1.html#K6">}</a></span>,<a href="xboole_0.html#K1">{}</a> ,<font color="Maroon">c<sub>3</sub></font>,<font color="Maroon">c<sub>3</sub></font>;<br/>
<b>take </b>
 <a href="glib_000.html#K12">createGraph</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default">1</span><a href="domain_1.html#K6">}</a></span>,<a href="xboole_0.html#K1">{}</a> ,<font color="Maroon">c<sub>3</sub></font>,<font color="Maroon">c<sub>3</sub></font>
;<br/>

<b>thus </b><a NAME="E2:13_1_1"/>
(  <a href="glib_000.html#K12">createGraph</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default">1</span><a href="domain_1.html#K6">}</a></span>,<a href="xboole_0.html#K1">{}</a> ,<font color="Maroon">c<sub>3</sub></font>,<font color="Maroon">c<sub>3</sub></font> is <a href="glib_000.html#V4">trivial</a> &amp;  <a href="glib_000.html#K12">createGraph</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default">1</span><a href="domain_1.html#K6">}</a></span>,<a href="xboole_0.html#K1">{}</a> ,<font color="Maroon">c<sub>3</sub></font>,<font color="Maroon">c<sub>3</sub></font> is <a href="glib_000.html#V2">finite</a> &amp;  <a href="glib_000.html#K12">createGraph</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default">1</span><a href="domain_1.html#K6">}</a></span>,<a href="xboole_0.html#K1">{}</a> ,<font color="Maroon">c<sub>3</sub></font>,<font color="Maroon">c<sub>3</sub></font> is <a href="glib_002.html#V3" target="_self">Tree-like</a> )
 ;<br/>


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