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<b>consider </b><font color="Maroon" title="c1">S0</font> being  non <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a> <a href="msualg_1.html#V1" title="MSUALG_1:attr.1">strict</a> non <a href="msualg_1.html#V2" title="MSUALG_1:attr.2">void</a> <a href="msualg_2.html#V2" title="MSUALG_2:attr.2">all-with_const_op</a>  <a href="msualg_1.html#L1" title="MSUALG_1:struct.1">ManySortedSign</a> ;<br/>
<b>take </b>
 <a href="osalg_1.html#K2" title="OSALG_1:func.2">OSSign</a> <font color="Maroon" title="c1">S0</font>
;<br/>

<b>thus </b><a NAME="E2:9_1_1"/>
(  <a href="osalg_1.html#K2" title="OSALG_1:func.2">OSSign</a> <font color="Maroon" title="c1">S0</font> is <a href="msualg_2.html#V2" title="MSUALG_2:attr.2">all-with_const_op</a> &amp;  <a href="osalg_1.html#K2" title="OSALG_1:func.2">OSSign</a> <font color="Maroon" title="c1">S0</font> is <a href="osalg_1.html#V3" title="OSALG_1:attr.3">strict</a> )
 <b>by </b><i><a class="ref" href="osalg_2.html#T3" target="_self" title="OSALG_2:th.3">Th3</a></i>;<br/>


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