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<b>let </b><font color="Maroon" title="c1">I</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>let </b><font color="Maroon" title="c2">M</font> be    <a href="pboole.html#M1" title="PBOOLE:mode.1">ManySortedSet</a> of <font color="Maroon" title="c1">I</font>;<br/><b>let </b><font color="Maroon" title="c3">SF</font>, <font color="Maroon" title="c4">SG</font> be   <a href="mssubfam.html#NM1" title="MSSUBFAM:NM.1">MSSubsetFamily</a> of <font color="Maroon" title="c2">M</font>;<br/>







<a NAME="E1:58"/>
( <font color="Maroon" title="c3">SF</font> <a href="pboole.html#K4" title="PBOOLE:func.4">\</a> <font color="Maroon" title="c4">SG</font> is   <a href="mssubfam.html#NM1" title="MSSUBFAM:NM.1">MSSubsetFamily</a> of <font color="Maroon" title="c2">M</font> &amp; <font color="Maroon" title="c4">SG</font> <a href="pboole.html#K4" title="PBOOLE:func.4">\</a> <font color="Maroon" title="c3">SF</font> is   <a href="mssubfam.html#NM1" title="MSSUBFAM:NM.1">MSSubsetFamily</a> of <font color="Maroon" title="c2">M</font> )
 
<b>by </b><i><a class="ref" href="mssubfam.html#T36" target="_self" title="MSSUBFAM:th.36">Th36</a></i>;<br/>
<b>hence </b><a NAME="E2:58"/>
<font color="Maroon" title="c3">SF</font> <a href="pboole.html#K5" title="PBOOLE:func.5">\+\</a> <font color="Maroon" title="c4">SG</font> is   <a href="mssubfam.html#NM1" title="MSSUBFAM:NM.1">MSSubsetFamily</a> of <font color="Maroon" title="c2">M</font>
 <b>by </b><i><a class="ref" href="mssubfam.html#T34" target="_self" title="MSSUBFAM:th.34">Th34</a></i>;<br/>


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