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<b>let </b><font color="Maroon">u1</font> be   <a href="binop_1.html#NM1">UnOp</a> of the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">G</font>, <font color="Maroon">u2</font> be   <a href="binop_1.html#NM1">UnOp</a> of the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">G</font>;<br/>

<b>assume </b><a NAME="E1:29_1_2"/><i><font color="Green">E46</font></i>: 
for <font color="Olive">h</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font> holds  <font color="Maroon">u1</font> <a href="funct_2.html#K3">.</a> <font color="Olive">h</font> <a href="hidden.html#R1">=</a> <font color="Olive">h</font> <a href="group_1.html#K3" target="_self">"</a> 
 ;<br/>

<b>assume </b><a NAME="E2:29_1_2"/><i><font color="Green">E47</font></i>: 
for <font color="Olive">h</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font> holds  <font color="Maroon">u2</font> <a href="funct_2.html#K3">.</a> <font color="Olive">h</font> <a href="hidden.html#R1">=</a> <font color="Olive">h</font> <a href="group_1.html#K3" target="_self">"</a> 
 ;<br/>

<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="29_1_2_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon">h</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>;<br/><b>thus </b><font color="Maroon">u1</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">h</font> = 
<font color="Maroon">h</font> <a href="group_1.html#K3" target="_self">"</a> 
<b>by </b><i/>
<br/>.= 
<font color="Maroon">u2</font> <a href="funct_2.html#K3">.</a> <font color="Maroon">h</font>
<b>by </b><i/>
;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E4:29_1_2"/>
<font color="Maroon">u1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">u2</font>
 <b>by </b><i><a class="ref" href="funct_2.html#T113">FUNCT_2:113</a></i>;<br/>


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