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<b>let </b><font color="Maroon">S1</font> be   <a href="osalg_1.html#NM3">OrderSortedSign</a>;<br/><b>let </b><font color="Maroon">OU0</font> be   <a href="osalg_1.html#NM5">OSAlgebra</a> of <font color="Maroon">S1</font>;<br/><b>let </b><font color="Maroon">s</font> be   <a href="osalg_1.html#NM1">SortSymbol</a> of <font color="Maroon">S1</font>;<br/>





<a NAME="E1:17"/>
 <a href="msualg_2.html#K1">Constants</a> <font color="Maroon">OU0</font>,<font color="Maroon">s</font> <a href="hidden.html#R2">in</a> <span class="p1">{<span class="default"> <span class="p2">(<span class="default"><a href="msualg_2.html#K1">Constants</a> <font color="Maroon">OU0</font>,<font color="Olive">s2</font></span>)</span> where <font color="Olive">s2</font> is   <a href="osalg_1.html#NM1">SortSymbol</a> of <font color="Maroon">S1</font> : <font color="Olive">s2</font> <a href="orders_2.html#R3">&lt;=</a> <font color="Maroon">s</font> </span>}</span> 
 
;<br/>
<a NAME="E2:17"/><b>then </b>
 <a href="msualg_2.html#K1">Constants</a> <font color="Maroon">OU0</font>,<font color="Maroon">s</font> <a href="tarski.html#R1">c=</a>  <a href="tarski.html#K3">union</a> <span class="p1">{<span class="default"> <span class="p2">(<span class="default"><a href="msualg_2.html#K1">Constants</a> <font color="Maroon">OU0</font>,<font color="Olive">s2</font></span>)</span> where <font color="Olive">s2</font> is   <a href="osalg_1.html#NM1">SortSymbol</a> of <font color="Maroon">S1</font> : <font color="Olive">s2</font> <a href="orders_2.html#R3">&lt;=</a> <font color="Maroon">s</font> </span>}</span> 
 
<b>by </b><i><a class="ref" href="zfmisc_1.html#T92">ZFMISC_1:92</a></i>;<br/>
<b>hence </b><a NAME="E3:17"/>
 <a href="msualg_2.html#K1">Constants</a> <font color="Maroon">OU0</font>,<font color="Maroon">s</font> <a href="tarski.html#R1">c=</a>  <a href="osalg_2.html#K1" target="_self">OSConstants</a> <font color="Maroon">OU0</font>,<font color="Maroon">s</font>
 ;<br/>


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