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<b>let </b><font color="Maroon">c<sub>1</sub></font> be  non <a href="struct_0.html#V3">empty</a>  <a href="group_1.html#L1">HGrStr</a> ;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>





<b>thus </b><font color="Maroon">c<sub>2</sub></font> <a href="fvsum_1.html#K10" target="_self">*</a> <span class="p1"><a href="matrix_2.html#K4">&lt;*</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="matrix_2.html#K4">*&gt;</a></span> = 
<span class="p1">(<span class="default">the <a href="group_1.html#U1">mult</a> of <font color="Maroon">c<sub>1</sub></font> <a href="funcop_1.html#K8">[;]</a> <font color="Maroon">c<sub>2</sub></font>,<span class="p2">(<span class="default"><a href="partfun1.html#K6">id</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">c<sub>1</sub></font></span>)</span></span>)</span> <a href="finseqop.html#K5">*</a> <span class="p1"><a href="matrix_2.html#K4">&lt;*</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="matrix_2.html#K4">*&gt;</a></span>

<br/>.= 
<span class="p1"><a href="matrix_2.html#K4">&lt;*</a><span class="default"><span class="p2">(<span class="default"><span class="p3">(<span class="default">the <a href="group_1.html#U1">mult</a> of <font color="Maroon">c<sub>1</sub></font> <a href="funcop_1.html#K8">[;]</a> <font color="Maroon">c<sub>2</sub></font>,<span class="p4">(<span class="default"><a href="partfun1.html#K6">id</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">c<sub>1</sub></font></span>)</span></span>)</span> <a href="funct_2.html#K3">.</a> <font color="Maroon">c<sub>3</sub></font></span>)</span></span><a href="matrix_2.html#K4">*&gt;</a></span>
<b>by </b><i><a class="ref" href="finseq_2.html#T39">FINSEQ_2:39</a></i>
<br/>.= 
<span class="p1"><a href="matrix_2.html#K4">&lt;*</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="group_1.html#K1">*</a> <font color="Maroon">c<sub>3</sub></font></span>)</span></span><a href="matrix_2.html#K4">*&gt;</a></span>
<b>by </b><i><a class="ref" href="fvsum_1.html#T60" target="_self">Th60</a></i>
;<br/>


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