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<b>let </b><font color="Maroon">c<sub>3</sub></font> be   <a href="pboole.html#NM3">Component</a> of <span class="p1">(<span class="default">the <a href="msualg_1.html#U4" target="_self">Sorts</a> of <font color="Maroon">c<sub>2</sub></font> <a href="pboole.html#K6">#</a> </span>)</span>;<br/>

<a NAME="E1:12_2_1"/>
ex <font color="Olive">b<sub>1</sub></font> being   <a href="hidden.html#M1">set</a>  st <br/>( <font color="Olive">b<sub>1</sub></font> <a href="hidden.html#R2">in</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">c<sub>1</sub></font> <a href="finseq_2.html#K3">*</a>  &amp; <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default">the <a href="msualg_1.html#U4" target="_self">Sorts</a> of <font color="Maroon">c<sub>2</sub></font> <a href="pboole.html#K6">#</a> </span>)</span> <a href="funct_1.html#K1">.</a> <font color="Olive">b<sub>1</sub></font> )
 
<b>by </b><i><a class="ref" href="pboole.html#T150">PBOOLE:150</a></i>;<br/>
<b>hence </b><a NAME="E2:12_2_1"/>
not <font color="Maroon">c<sub>3</sub></font> is <a href="xboole_0.html#V1">empty</a>
 <b>by </b><i><a class="ref" href="pboole.html#D16">PBOOLE:def 16</a></i>;<br/>


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