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<a NAME="E1:5_1_1"/>
<font color="Maroon" title="c1">nt</font> <a href="lang1.html#R1" title="LANG1:pred.1">==&gt;</a> <span class="p1"><a href="lang1.html#K4" title="LANG1:func.4">&lt;*</a><span class="default"><span class="p2">(<span class="default"><a href="bintree1.html#K1" title="BINTREE1:func.1">root-label</a> <font color="Maroon" title="c2">tl</font></span>)</span>,<span class="p2">(<span class="default"><a href="bintree1.html#K1" title="BINTREE1:func.1">root-label</a> <font color="Maroon" title="c3">tr</font></span>)</span></span><a href="lang1.html#K4" title="LANG1:func.4">*&gt;</a></span>
 
<b>by </b><i><a class="ref" href="scm_comp.html#D1" target="_self" title="SCM_COMP:def.1">Def1</a>, <a class="txt" href="scm_comp.html#E6"><i><font color="Green" title="E6">Lm3</font></i></a></i>;<br/>
<a NAME="E2:5_1_1"/><b>then </b>
<font color="Maroon" title="c1">nt</font> <a href="lang1.html#R1" title="LANG1:pred.1">==&gt;</a>  <a href="trees_3.html#K16" title="TREES_3:func.16">roots</a> <span class="p1"><a href="lang1.html#K4" title="LANG1:func.4">&lt;*</a><span class="default"><font color="Maroon" title="c2">tl</font>,<font color="Maroon" title="c3">tr</font></span><a href="lang1.html#K4" title="LANG1:func.4">*&gt;</a></span>
 
<b>by </b><i><a class="ref" href="bintree1.html#T2" title="BINTREE1:th.2">BINTREE1:2</a></i>;<br/>
<a NAME="E3:5_1_1"/><b>then </b>
<font color="Maroon" title="c1">nt</font> <a href="trees_4.html#K4" title="TREES_4:func.4">-tree</a> <span class="p1"><a href="lang1.html#K4" title="LANG1:func.4">&lt;*</a><span class="default"><font color="Maroon" title="c2">tl</font>,<font color="Maroon" title="c3">tr</font></span><a href="lang1.html#K4" title="LANG1:func.4">*&gt;</a></span> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="dtconstr.html#K4" title="DTCONSTR:func.4">TS</a> <a href="scm_comp.html#K1" title="SCM_COMP:func.1">SCM-AE</a> 
 
<b>by </b><i><a class="ref" href="dtconstr.html#D4" title="DTCONSTR:def.4">DTCONSTR:def 4</a></i>;<br/>
<b>hence </b><a NAME="E4:5_1_1"/>
<font color="Maroon" title="c1">nt</font> <a href="trees_4.html#K6" title="TREES_4:func.6">-tree</a> <font color="Maroon" title="c2">tl</font>,<font color="Maroon" title="c3">tr</font> is   <a href="scm_comp.html#NM1" title="SCM_COMP:NM.1">bin-term</a>
 <b>by </b><i><a class="ref" href="trees_4.html#D6" title="TREES_4:def.6">TREES_4:def 6</a></i>;<br/>


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