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<b>let </b><font color="Maroon" title="c1">R</font> be  non <a href="struct_0.html#V3" title="STRUCT_0:attr.3">empty</a>  <a href="struct_0.html#L2" title="STRUCT_0:struct.2">ZeroStr</a> ;<br/><b>let </b><font color="Maroon" title="c2">p</font> be   <a href="algseq_1.html#NM1" title="ALGSEQ_1:NM.1">AlgSequence</a> of <font color="Maroon" title="c1">R</font>;<br/>



<b>thus </b><a NAME="E1:29"/>
( <font color="Maroon" title="c2">p</font> <a href="funct_2.html#R2" title="FUNCT_2:pred.2">=</a> <span class="p1"><a href="algseq_1.html#K5" title="ALGSEQ_1:func.5">&lt;%</a><span class="default"><span class="p2">(<span class="default"><a href="rlvect_1.html#K1" title="RLVECT_1:func.1">0.</a> <font color="Maroon" title="c1">R</font></span>)</span></span><a href="algseq_1.html#K5" title="ALGSEQ_1:func.5">%&gt;</a></span> implies  <a href="algseq_1.html#K4" title="ALGSEQ_1:func.4">support</a> <font color="Maroon" title="c2">p</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  )
 <b>by </b><i><a class="txt" href="algseq_1.html#E40"><i><font color="Green" title="E19">Lm5</font></i></a>, <a class="ref" href="algseq_1.html#T11" target="_self" title="ALGSEQ_1:th.11">Th11</a></i>;<br/>

<b>assume </b><a NAME="E2:29"/><i><font color="Green" title="E21">A1</font></i>: 
 <a href="algseq_1.html#K4" title="ALGSEQ_1:func.4">support</a> <font color="Maroon" title="c2">p</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> 
 ;<br/>

<a NAME="E3:29"/>
 <a href="algseq_1.html#K3" title="ALGSEQ_1:func.3">len</a> <font color="Maroon" title="c2">p</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 0
 
<b>by </b><i><a class="txt" href="algseq_1.html#E2:29"><i><font color="Green" title="E21">A1</font></i></a>, <a class="ref" href="algseq_1.html#T11" target="_self" title="ALGSEQ_1:th.11">Th11</a>, <a class="ref" href="algseq_1.html#T14" target="_self" title="ALGSEQ_1:th.14">Th14</a></i>;<br/>
<b>hence </b><a NAME="E4:29"/>
<font color="Maroon" title="c2">p</font> <a href="funct_2.html#R2" title="FUNCT_2:pred.2">=</a> <span class="p1"><a href="algseq_1.html#K5" title="ALGSEQ_1:func.5">&lt;%</a><span class="default"><span class="p2">(<span class="default"><a href="rlvect_1.html#K1" title="RLVECT_1:func.1">0.</a> <font color="Maroon" title="c1">R</font></span>)</span></span><a href="algseq_1.html#K5" title="ALGSEQ_1:func.5">%&gt;</a></span>
 <b>by </b><i><a class="ref" href="algseq_1.html#T31" target="_self" title="ALGSEQ_1:th.31">Th31</a></i>;<br/>


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