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<b>let </b><font color="Maroon" title="c1">T</font> be   <a href="trees_1.html#NM1" title="TREES_1:NM.1">Tree</a>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c1">T</font> is <a href="bintree2.html#V1" title="BINTREE2:attr.1">full</a> implies <font color="Maroon" title="c1">T</font> is <a href="bintree1.html#V1" title="BINTREE1:attr.1">binary</a> )</span><br/>

<b>assume </b><a NAME="E1:19_1_1"/>
<font color="Maroon" title="c1">T</font> is <a href="bintree2.html#V1" title="BINTREE2:attr.1">full</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <font color="Maroon" title="c1">T</font> is <a href="bintree1.html#V1" title="BINTREE1:attr.1">binary</a></span><br/>

<a NAME="E2:19_1_1"/><b>then </b>
<font color="Maroon" title="c1">T</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="domain_1.html#K7" title="DOMAIN_1:func.7">{</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,1</span><a href="domain_1.html#K7" title="DOMAIN_1:func.7">}</a></span> <a href="finseq_1.html#K13" title="FINSEQ_1:func.13">*</a> 
 
<b>by </b><i><a class="ref" href="bintree2.html#D2" target="_self" title="BINTREE2:def.2">Def2</a></i>;<br/>
<b>hence </b><a NAME="E3:19_1_1"/>
<font color="Maroon" title="c1">T</font> is <a href="bintree1.html#V1" title="BINTREE1:attr.1">binary</a>
 <b>by </b><i><a class="ref" href="bintree2.html#T3" target="_self" title="BINTREE2:th.3">Th3</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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