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<b>let </b><font color="Maroon">m</font> be   <a href="nat_1.html#NM1">Nat</a>;<br/><b>let </b><font color="Maroon">D</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">M</font> be    <a href="matrix_1.html#M1" target="_self">Matrix</a> of 0,<font color="Maroon">m</font>,<font color="Maroon">D</font>;<br/>





<a NAME="E1:35"/>
 <a href="finseq_1.html#K3">len</a> <font color="Maroon">M</font> <a href="hidden.html#R1">=</a> 0
 
<b>by </b><i/>;<br/>
<a NAME="E2:35"/><b>then </b>
 <a href="matrix_1.html#K1" target="_self">width</a> <font color="Maroon">M</font> <a href="hidden.html#R1">=</a> 0
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E3:35"/>
(  <a href="finseq_1.html#K3">len</a> <font color="Maroon">M</font> <a href="hidden.html#R1">=</a> 0 &amp;  <a href="matrix_1.html#K1" target="_self">width</a> <font color="Maroon">M</font> <a href="hidden.html#R1">=</a> 0 &amp;  <a href="matrix_1.html#K2" target="_self">Indices</a> <font color="Maroon">M</font> <a href="hidden.html#R1">=</a>  <a href="xboole_0.html#K1">{}</a>  )
 <b>by </b><i>, <a class="ref" href="finseq_1.html#T4">FINSEQ_1:4</a>, <a class="ref" href="zfmisc_1.html#T113">ZFMISC_1:113</a></i>;<br/>


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