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<b>let </b><font color="Maroon">R</font> be    <a href="orders_2.html#L1">RelStr</a> ;<br/><b>let </b><font color="Maroon">T1</font> be    <a href="yellow_9.html#M1" target="_self">TopAugmentation</a> of <font color="Maroon">R</font>;<br/><b>let </b><font color="Maroon">T2</font> be    <a href="yellow_9.html#M1" target="_self">TopAugmentation</a> of <font color="Maroon">T1</font>;<br/>





<b>thus </b> <a href="orders_2.html#G1">RelStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">T2</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">T2</font> #) = 
 <a href="orders_2.html#G1">RelStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">T1</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">T1</font> #)
<b>by </b><i/>
<br/>.= 
 <a href="orders_2.html#G1">RelStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">R</font>,the <a href="orders_2.html#U1">InternalRel</a> of <font color="Maroon">R</font> #)
<b>by </b><i/>
; <i><font color="Red">:: according to </font></i><a class="ref" href="yellow_9.html#D4" target="_self">YELLOW_9:def 4</a><br/>


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