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<a NAME="E1:33_1_1"/>
( <font color="Maroon">A</font> <a href="instalg1.html#K2" target="_self">|</a> <font color="Maroon">S1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">A</font> <a href="instalg1.html#K1" target="_self">|</a> <font color="Maroon">S1</font>,<span class="p1">(<span class="default"><a href="partfun1.html#K6">id</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">S1</font></span>)</span>,<span class="p1">(<span class="default"><a href="partfun1.html#K6">id</a> the <a href="msualg_1.html#U1">OperSymbols</a> of <font color="Maroon">S1</font></span>)</span> &amp;  <a href="partfun1.html#K6">id</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">S1</font>, <a href="partfun1.html#K6">id</a> the <a href="msualg_1.html#U1">OperSymbols</a> of <font color="Maroon">S1</font> <a href="pua2mss1.html#R3">form_morphism_between</a> <font color="Maroon">S1</font>,<font color="Maroon">S2</font> )
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:33_1_1"/>
<font color="Maroon">A</font> <a href="instalg1.html#K2" target="_self">|</a> <font color="Maroon">S1</font> is <a href="msualg_1.html#V5">non-empty</a>
 <b>by </b><i/>;<br/>


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