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<a NAME="E1:33_1_1"/>
( <font color="Maroon" title="c3">A</font> <a href="instalg1.html#K2" title="INSTALG1:func.2">|</a> <font color="Maroon" title="c2">S1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c3">A</font> <a href="instalg1.html#K1" title="INSTALG1:func.1">|</a> <font color="Maroon" title="c2">S1</font>,<span class="p1">(<span class="default"><a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c2">S1</font></span>)</span>,<span class="p1">(<span class="default"><a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> the <a href="msualg_1.html#U1" title="MSUALG_1:sel.1">OperSymbols</a> of <font color="Maroon" title="c2">S1</font></span>)</span> &amp;  <a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c2">S1</font>, <a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> the <a href="msualg_1.html#U1" title="MSUALG_1:sel.1">OperSymbols</a> of <font color="Maroon" title="c2">S1</font> <a href="pua2mss1.html#R3" title="PUA2MSS1:pred.3">form_morphism_between</a> <font color="Maroon" title="c2">S1</font>,<font color="Maroon" title="c1">S2</font> )
 
<b>by </b><i><a class="ref" href="instalg1.html#D2" target="_self" title="INSTALG1:def.2">Def2</a></i>;<br/>
<b>hence </b><a NAME="E2:33_1_1"/>
<font color="Maroon" title="c3">A</font> <a href="instalg1.html#K2" title="INSTALG1:func.2">|</a> <font color="Maroon" title="c2">S1</font> is <a href="msualg_1.html#V5" title="MSUALG_1:attr.5">non-empty</a>
 <b>by </b><i><a class="ref" href="instalg1.html#T23" target="_self" title="INSTALG1:th.23">Th23</a></i>;<br/>


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