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<b>let </b><font color="Maroon">L1</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="struct_0.html#L1">1-sorted</a> , <font color="Maroon">L2</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="struct_0.html#L1">1-sorted</a> ;<br/>

<b>assume </b><a NAME="E1:7"/><i><font color="Green">E46</font></i>: 
the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">L1</font> <a href="hidden.html#R1">=</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">L2</font>
 ;<br/>

<b>let </b><font color="Maroon">N1</font> be    <a href="waybel_0.html#L1">NetStr</a> of <font color="Maroon">L1</font>;<br/>

<b>reconsider </b><font color="Maroon">f</font> = the <a href="waybel_0.html#U1">mapping</a> of <font color="Maroon">N1</font> as   <a href="funct_2.html#NM1">Function</a> of the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">N1</font>,the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">L2</font> <b>by </b><i/>;<br/>
<b>take </b>
 <a href="waybel_0.html#G1">NetStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">N1</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">N1</font>,<font color="Maroon">f</font> #)
;<br/>

<b>thus </b><a NAME="E3:7"/>
(  <a href="orders_2.html#G1">RelStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">N1</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">N1</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 <a href="waybel_0.html#G1">NetStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">N1</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">N1</font>,<font color="Maroon">f</font> #),the <a href="orders_2.html#U1">InternalRel</a> of <a href="waybel_0.html#G1">NetStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">N1</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">N1</font>,<font color="Maroon">f</font> #) #) &amp; the <a href="waybel_0.html#U1">mapping</a> of <font color="Maroon">N1</font> <a href="funct_2.html#R1">=</a> the <a href="waybel_0.html#U1">mapping</a> of <a href="waybel_0.html#G1">NetStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">N1</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">N1</font>,<font color="Maroon">f</font> #) )
 ;<br/>


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