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<b>let </b><font color="Maroon">it1</font> be  <a href="waybel_0.html#V6">strict</a>  <a href="yellow_6.html#M1" target="_self">SubNetStr</a> of <font color="Maroon">N</font>, <font color="Maroon">it2</font> be  <a href="waybel_0.html#V6">strict</a>  <a href="yellow_6.html#M1" target="_self">SubNetStr</a> of <font color="Maroon">N</font>;<br/>

<b>assume </b><b>that </b><br/><a NAME="E1:64_1_2"/><i><font color="Green">E55</font></i>: 
<font color="Maroon">it1</font> is  <a href="yellow_0.html#V4">full</a>  <a href="yellow_0.html#M1">SubRelStr</a> of <font color="Maroon">N</font>
 <b>and </b><br/><a NAME="E2:64_1_2"/><i><font color="Green">E56</font></i>: 
the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">it1</font> <a href="hidden.html#R1">=</a> the <a href="waybel_0.html#U1">mapping</a> of <font color="Maroon">N</font> <a href="relset_1.html#K11">"</a> <font color="Maroon">X</font>
 <b>and </b><br/><a NAME="E3:64_1_2"/><i><font color="Green">E117</font></i>: 
<font color="Maroon">it2</font> is  <a href="yellow_0.html#V4">full</a>  <a href="yellow_0.html#M1">SubRelStr</a> of <font color="Maroon">N</font>
 <b>and </b><br/><a NAME="E4:64_1_2"/><i><font color="Green">E118</font></i>: 
the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">it2</font> <a href="hidden.html#R1">=</a> the <a href="waybel_0.html#U1">mapping</a> of <font color="Maroon">N</font> <a href="relset_1.html#K11">"</a> <font color="Maroon">X</font>
 ;<br/>

<a NAME="E5:64_1_2"/><i><font color="Green">E119</font></i>: 
 <a href="orders_2.html#G1">RelStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">it1</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">it1</font> #) <a href="hidden.html#R1">=</a>  <a href="orders_2.html#G1">RelStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">it2</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">it2</font> #)
 
<b>by </b><i>, , , , <a class="ref" href="yellow_0.html#T58">YELLOW_0:58</a></i>;<br/>
the <a href="waybel_0.html#U1">mapping</a> of <font color="Maroon">it1</font> = 
the <a href="waybel_0.html#U1">mapping</a> of <font color="Maroon">N</font> <a href="partfun1.html#K2">|</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">it2</font>
<b>by </b><i>, , </i>
<br/>.= 
the <a href="waybel_0.html#U1">mapping</a> of <font color="Maroon">it2</font>
<b>by </b><i/>
;<br/>
<b>hence </b><a NAME="E7:64_1_2"/>
<font color="Maroon">it1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">it2</font>
 <b>by </b><i/>;<br/>


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