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<b>let </b><font color="Maroon">T</font> be    <a href="yellow_9.html#M3" target="_self">Refinement</a> of <font color="Maroon">T1</font>,<font color="Maroon">T2</font>;<br/>

<a NAME="E1:86_1_1"/>
the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">T</font> <a href="hidden.html#R1">=</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">T2</font> <a href="xboole_0.html#K2">\/</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">T1</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:86_1_1"/>
not the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">T</font> is <a href="xboole_0.html#V1">empty</a>
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="struct_0.html#D1">STRUCT_0:def 1</a><br/>


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