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<b>deffunc </b><font color="Maroon">H<sub>1</sub></font>(   <a href="subset_1.html#M2">Element</a> of  <a href="tdlat_1.html#K1" target="_self">Domains_of</a> <font color="Maroon">T</font>,   <a href="subset_1.html#M2">Element</a> of  <a href="tdlat_1.html#K1" target="_self">Domains_of</a> <font color="Maroon">T</font>) <b>-&gt; </b>   <a href="subset_1.html#M1">Element</a> of  <a href="zfmisc_1.html#K1">bool</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">T</font> = <span class="p1">(<span class="default"><a href="tops_1.html#K1">Int</a> <span class="p2">(<span class="default"><a href="pre_topc.html#K4">Cl</a> <span class="p3">(<span class="default"><font color="Maroon">a<sub>1</sub></font> <a href="subset_1.html#K4">\/</a> <font color="Maroon">a<sub>2</sub></font></span>)</span></span>)</span></span>)</span> <a href="subset_1.html#K4">\/</a> <span class="p1">(<span class="default"><font color="Maroon">a<sub>1</sub></font> <a href="subset_1.html#K4">\/</a> <font color="Maroon">a<sub>2</sub></font></span>)</span>;<br/>
<b>thus </b><a NAME="E1:30_1_2"/>
for <font color="Olive">o1</font>, <font color="Olive">o2</font> being  <a href="binop_1.html#NM2">BinOp</a> of  <a href="tdlat_1.html#K1" target="_self">Domains_of</a> <font color="Maroon">T</font>  st ( for <font color="Olive">a</font>, <font color="Olive">b</font> being   <a href="subset_1.html#M2">Element</a> of  <a href="tdlat_1.html#K1" target="_self">Domains_of</a> <font color="Maroon">T</font> holds  <font color="Olive">o1</font> <a href="binop_1.html#K2">.</a> <font color="Olive">a</font>,<font color="Olive">b</font> <a href="hidden.html#R1">=</a> <font color="Maroon">H<sub>1</sub></font>(<font color="Olive">a</font>,<font color="Olive">b</font>) ) &amp; ( for <font color="Olive">a</font>, <font color="Olive">b</font> being   <a href="subset_1.html#M2">Element</a> of  <a href="tdlat_1.html#K1" target="_self">Domains_of</a> <font color="Maroon">T</font> holds  <font color="Olive">o2</font> <a href="binop_1.html#K2">.</a> <font color="Olive">a</font>,<font color="Olive">b</font> <a href="hidden.html#R1">=</a> <font color="Maroon">H<sub>1</sub></font>(<font color="Olive">a</font>,<font color="Olive">b</font>) ) holds <br/><font color="Olive">o1</font> <a href="funct_2.html#R2">=</a> <font color="Olive">o2</font>
 <b>from </b><i><a class="ref" href="binop_2.html#S2">BINOP_2:sch 2</a>();</i><br/>


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