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<a NAME="E1:27_1_1"/>
( <span class="p1"><a href="index_1.html#K7" title="INDEX_1:func.7">[</a><span class="default"><font color="Maroon" title="c3">f</font>,<font color="Maroon" title="c4">g</font></span><a href="index_1.html#K7" title="INDEX_1:func.7">]</a></span> <a href="index_1.html#K8" title="INDEX_1:func.8">`1</a>  <a href="pboole.html#R6" title="PBOOLE:pred.6">=</a> <font color="Maroon" title="c3">f</font> &amp; <span class="p1"><a href="index_1.html#K7" title="INDEX_1:func.7">[</a><span class="default"><font color="Maroon" title="c3">f</font>,<font color="Maroon" title="c4">g</font></span><a href="index_1.html#K7" title="INDEX_1:func.7">]</a></span> <a href="index_1.html#K9" title="INDEX_1:func.9">`2</a>  <a href="pboole.html#R6" title="PBOOLE:pred.6">=</a> <font color="Maroon" title="c4">g</font> )
 
<b>by </b><i><a class="ref" href="mcart_1.html#T7" title="MCART_1:th.7">MCART_1:7</a></i>;<br/>
<b>hence </b><a NAME="E2:27_1_1"/>
<span class="p1"><a href="tarski.html#K4" title="TARSKI:func.4">[</a><span class="default"><font color="Maroon" title="c3">f</font>,<font color="Maroon" title="c4">g</font></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span> is  <a href="index_1.html#V2" title="INDEX_1:attr.2">Category-yielding_on_first</a> <a href="index_1.html#V3" title="INDEX_1:attr.3">Function-yielding_on_second</a>  <a href="index_1.html#M1" title="INDEX_1:mode.1">ManySortedSet</a> of <font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c2">B</font>
 <b>by </b><i><a class="ref" href="index_1.html#D5" target="_self" title="INDEX_1:def.5">Def5</a>, <a class="ref" href="index_1.html#D6" target="_self" title="INDEX_1:def.6">Def6</a></i>;<br/>


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