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

<b>take </b>
<font color="Maroon" title="c1">T</font>
; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> for <font color="Olive" title="b1">t</font> being   <a href="trees_1.html#M1" title="TREES_1:mode.1">Element</a> of <font color="Maroon" title="c1">T</font>  holds <br/>( <font color="Olive" title="b1">t</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c1">T</font> or  ex <font color="Olive" title="b2">l</font> being   <a href="trees_3.html#M8" title="TREES_3:mode.8">Leaf</a> of <font color="Maroon" title="c1">T</font> st <font color="Olive" title="b2">l</font> <a href="trees_1.html#NR3" title="TREES_1:NR.3">is_a_proper_prefix_of</a> <font color="Olive" title="b1">t</font> )</span><br/>

<b>thus </b><a NAME="E1:98_1_1"/>
for <font color="Olive" title="b1">t</font> being   <a href="trees_1.html#M1" title="TREES_1:mode.1">Element</a> of <font color="Maroon" title="c1">T</font>  holds <br/>( <font color="Olive" title="b1">t</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c1">T</font> or  ex <font color="Olive" title="b2">l</font> being   <a href="trees_3.html#M8" title="TREES_3:mode.8">Leaf</a> of <font color="Maroon" title="c1">T</font> st <font color="Olive" title="b2">l</font> <a href="trees_1.html#NR3" title="TREES_1:NR.3">is_a_proper_prefix_of</a> <font color="Olive" title="b1">t</font> )
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div>
