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<span class="kw">consider </span><font color="Maroon" title="c2">t</font> being   <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>   <a href="bintree1.html#V1" title="BINTREE1:attr.1">binary</a>  <a href="trees_1.html#NM1" title="TREES_1:NM.1">Tree</a>;<br/>
<span class="kw">consider </span><font color="Maroon" title="c3">T</font> being   <a href="funct_2.html#NM1" title="FUNCT_2:NM.1">Function</a> of <font color="Maroon" title="c2">t</font>,<font color="Maroon" title="c1">D</font>;<br/>
<a NAME="E3:10_1_1"/>
 <a href="relset_1.html#K2" title="RELSET_1:func.2">rng</a> <font color="Maroon" title="c3">T</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Maroon" title="c1">D</font>
 
;<br/>
<span class="kw">then </span><span class="kw">reconsider </span><font color="Maroon" title="c4">T</font> = <font color="Maroon" title="c3">T</font> as   <a href="trees_2.html#NM5" title="TREES_2:NM.5">DecoratedTree</a> of <font color="Maroon" title="c1">D</font> <span class="kw">by</span> <span class="lab"><a class="ref" href="relat_1.html#D19" title="RELAT_1:def.19">RELAT_1:def 19</a></span>;<br/>
<span class="kw">take </span>
<font color="Maroon" title="c4">T</font>
; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> ( <font color="Maroon" title="c4">T</font> is  <a href="bintree1.html#V2" title="BINTREE1:attr.2">binary</a>  &amp; <font color="Maroon" title="c4">T</font> is  <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>  )</span><br/>

<span class="kw">thus </span><a NAME="E5:10_1_1"/>
(  <a href="relat_1.html#NK2" title="RELAT_1:NK.2">dom</a> <font color="Maroon" title="c4">T</font> is  <a href="bintree1.html#V1" title="BINTREE1:attr.1">binary</a>  &amp; <font color="Maroon" title="c4">T</font> is  <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>  )
 <span class="kw">by</span> <span class="lab"><a class="ref" href="funct_2.html#D1" title="FUNCT_2:def.1">FUNCT_2:def 1</a></span>; <span class="comment"><font color="Red">:: according to </font></span><a class="ref" href="bintree1.html#D3" target="_self" title="BINTREE1:def.3">BINTREE1:def 3</a> <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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