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<b>let </b><font color="Maroon">i</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">K</font> be  non <a href="struct_0.html#V3">empty</a> <a href="group_1.html#V4">associative</a> <a href="group_1.html#V7">commutative</a> <a href="vectsp_1.html#V8">left_unital</a>  <a href="vectsp_1.html#L3">doubleLoopStr</a> ;<br/><b>let </b><font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">K</font>;<br/><b>let </b><font color="Maroon">R1</font> be    <a href="finseq_2.html#M2">Element</a> of <font color="Maroon">i</font> <a href="finseq_2.html#K4">-tuples_on</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">K</font>;<br/>







<b>thus </b> <a href="group_4.html#K3">Product</a> <span class="p1">(<span class="default"><font color="Maroon">a</font> <a href="fvsum_1.html#K10" target="_self">*</a> <font color="Maroon">R1</font></span>)</span> = 
 <a href="group_4.html#K3">Product</a> <span class="p1">(<span class="default"><a href="fvsum_1.html#K12" target="_self">mlt</a> <span class="p2">(<span class="default"><font color="Maroon">i</font> <a href="finseqop.html#K4">|-&gt;</a> <font color="Maroon">a</font></span>)</span>,<font color="Maroon">R1</font></span>)</span>
<b>by </b><i/>
<br/>.= 
<span class="p1">(<span class="default"><a href="group_4.html#K3">Product</a> <span class="p2">(<span class="default"><font color="Maroon">i</font> <a href="finseqop.html#K4">|-&gt;</a> <font color="Maroon">a</font></span>)</span></span>)</span> <a href="group_1.html#K10">*</a> <span class="p1">(<span class="default"><a href="group_4.html#K3">Product</a> <font color="Maroon">R1</font></span>)</span>
<b>by </b><i><a class="ref" href="fvsum_1.html#T18" target="_self">Th18</a></i>
;<br/>


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