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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">Y</font>, <font color="Maroon" title="c3">Z</font>, <font color="Maroon" title="c4">X</font> be    <a href="pboole.html#M1" title="PBOOLE:mode.1">ManySortedSet</a> of <font color="Maroon" title="c1">I</font>;<br/>







<b>assume </b><a NAME="E1:110"/><i><font color="Green" title="E65">A1</font></i>: 
<font color="Maroon" title="c2">Y</font> <a href="pboole.html#NR6" title="PBOOLE:NR.6">does_not_overlap</a> <font color="Maroon" title="c3">Z</font>
 ;<br/>

<a NAME="E2:110"/>
( <font color="Maroon" title="c4">X</font> <a href="pboole.html#K3" title="PBOOLE:func.3">/\</a> <font color="Maroon" title="c2">Y</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a> <font color="Maroon" title="c2">Y</font> &amp; <font color="Maroon" title="c4">X</font> <a href="pboole.html#K3" title="PBOOLE:func.3">/\</a> <font color="Maroon" title="c3">Z</font> <a href="pboole.html#R2" title="PBOOLE:pred.2">c=</a> <font color="Maroon" title="c3">Z</font> )
 
<b>by </b><i><a class="ref" href="pboole.html#T17" target="_self" title="PBOOLE:th.17">Th17</a></i>;<br/>
<b>hence </b><a NAME="E3:110"/>
<font color="Maroon" title="c4">X</font> <a href="pboole.html#K3" title="PBOOLE:func.3">/\</a> <font color="Maroon" title="c2">Y</font> <a href="pboole.html#NR6" title="PBOOLE:NR.6">does_not_overlap</a> <font color="Maroon" title="c4">X</font> <a href="pboole.html#K3" title="PBOOLE:func.3">/\</a> <font color="Maroon" title="c3">Z</font>
 <b>by </b><i><a class="txt" href="pboole.html#E1:110"><i><font color="Green" title="E65">A1</font></i></a>, <a class="ref" href="pboole.html#T110" target="_self" title="PBOOLE:th.110">Th110</a></i>;<br/>


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