<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">L</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="vectsp_1.html#L1">multLoopStr</a> ;<br/>

<b>assume </b><a NAME="E1:4"/><i><font color="Green">E21</font></i>: 
<font color="Maroon">L</font> is <a href="vectsp_2.html#V1" target="_self">well-unital</a>
 ;<br/>

<a NAME="E2:4"/><b>then </b><i><font color="Green">E24</font></i>: 
for <font color="Olive">h</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font> holds <br/> ( <font color="Olive">h</font> <a href="group_1.html#K1">*</a> <span class="p1">(<span class="default"><a href="vectsp_1.html#K2">1_</a> <font color="Maroon">L</font></span>)</span> <a href="hidden.html#R1">=</a> <font color="Olive">h</font> &amp; <span class="p1">(<span class="default"><a href="vectsp_1.html#K2">1_</a> <font color="Maroon">L</font></span>)</span> <a href="group_1.html#K1">*</a> <font color="Olive">h</font> <a href="hidden.html#R1">=</a> <font color="Olive">h</font> )
 
<b>by </b><i/>;<br/>
<a NAME="E3:4"/>
<font color="Maroon">L</font> is <a href="group_1.html#V2">unital</a>
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E4:4"/>
 <a href="vectsp_1.html#K2">1_</a> <font color="Maroon">L</font> <a href="hidden.html#R1">=</a>  <a href="group_1.html#K2">1.</a> <font color="Maroon">L</font>
 <b>by </b><i>, <a class="ref" href="group_1.html#D5">GROUP_1:def 5</a></i>;<br/>


</div>
