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<b>let </b><font color="Maroon" title="c1">p</font>, <font color="Maroon" title="c2">q</font> be   <a href="finseq_1.html#NM1" title="FINSEQ_1:NM.1">FinSequence</a>;<br/>

<div><b>hereby </b>
<div class="add"><b>assume </b><a NAME="E1:3_1"/><i><font color="Green" title="E2">A1</font></i>: 
<font color="Maroon" title="c1">p</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Maroon" title="c2">q</font>
 ;<br/><a NAME="E2:3_1"/><i><font color="Green" title="E3">A2</font></i>: 
 <a href="helly.html#K1" title="HELLY:func.1">maxPrefix</a> <font color="Maroon" title="c1">p</font>,<font color="Maroon" title="c2">q</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Maroon" title="c1">p</font>
 <b>by </b><i><a class="ref" href="helly.html#D1" target="_self" title="HELLY:def.1">Def1</a></i>;<br/><a NAME="E3:3_1"/>
<font color="Maroon" title="c1">p</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="helly.html#K1" title="HELLY:func.1">maxPrefix</a> <font color="Maroon" title="c1">p</font>,<font color="Maroon" title="c2">q</font>
 <b>by </b><i><a class="txt" href="helly.html#E1:3_1"><i><font color="Green" title="E2">A1</font></i></a>, <a class="ref" href="helly.html#D1" target="_self" title="HELLY:def.1">Def1</a></i>;<br/><b>hence </b><a NAME="E4:3_1"/>
 <a href="helly.html#K1" title="HELLY:func.1">maxPrefix</a> <font color="Maroon" title="c1">p</font>,<font color="Maroon" title="c2">q</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">p</font>
 <b>by </b><i><a class="txt" href="helly.html#E2:3_1"><i><font color="Green" title="E3">A2</font></i></a>, <a class="ref" href="xboole_0.html#D10" title="XBOOLE_0:def.10">XBOOLE_0:def 10</a></i>;<br/></div>
<b>end;</b></div>

<b>assume </b><a NAME="E2:3"/>
 <a href="helly.html#K1" title="HELLY:func.1">maxPrefix</a> <font color="Maroon" title="c1">p</font>,<font color="Maroon" title="c2">q</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">p</font>
 ;<br/>

<b>hence </b><a NAME="E3:3"/>
<font color="Maroon" title="c1">p</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Maroon" title="c2">q</font>
 <b>by </b><i><a class="ref" href="helly.html#D1" target="_self" title="HELLY:def.1">Def1</a></i>;<br/>


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