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<span class="kw">let </span><font color="Maroon" title="c1">f</font> be   <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> ( <font color="Maroon" title="c1">f</font> is  <a href="trees_3.html#V5" title="TREES_3:attr.5">FinTree-yielding</a>  implies <font color="Maroon" title="c1">f</font> is  <a href="trees_3.html#V4" title="TREES_3:attr.4">Tree-yielding</a>  )</span><br/>

<span class="kw">assume </span><a NAME="E1:69_1_1"/>
<font color="Maroon" title="c1">f</font> is  <a href="trees_3.html#V5" title="TREES_3:attr.5">FinTree-yielding</a> 
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> <font color="Maroon" title="c1">f</font> is  <a href="trees_3.html#V4" title="TREES_3:attr.4">Tree-yielding</a> </span><br/>

<a NAME="E2:69_1_1"/><span class="kw">then </span>
 <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c1">f</font> is   <a href="trees_3.html#V2" title="TREES_3:attr.2">constituted-FinTrees</a>   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> 
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="trees_3.html#D10" target="_self" title="TREES_3:def.10">Def10</a></span>;<br/>
<span class="kw">hence </span><a NAME="E3:69_1_1"/>
 <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c1">f</font> is  <a href="trees_3.html#V1" title="TREES_3:attr.1">constituted-Trees</a> 
 ; <span class="comment"><font color="firebrick">:: according to </font></span><a class="ref" href="trees_3.html#D9" target="_self" title="TREES_3:def.9">TREES_3:def 9</a> <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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