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<b>let </b><font color="Maroon" title="c1">S</font> be  non <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  <a href="msualg_1.html#L1" title="MSUALG_1:struct.1">ManySortedSign</a> ;<br/>

<b>assume </b><a NAME="E1:25_1_1"/>
<font color="Maroon" title="c1">S</font> is <a href="circcmb3.html#V4" title="CIRCCMB3:attr.4">one-gate</a>
 ;<br/>

<a NAME="E2:25_1_1"/><b>then </b>
 ex <font color="Olive" title="b1">X</font> being non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>  <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>  ex <font color="Olive" title="b2">n</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a>  ex <font color="Olive" title="b3">p</font> being   <a href="circcomb.html#M1" title="CIRCCOMB:mode.1">FinSeqLen</a> of <font color="Olive" title="b2">n</font> ex <font color="Olive" title="b4">f</font> being  <a href="funct_2.html#NM1" title="FUNCT_2:NM.1">Function</a> of <font color="Olive" title="b2">n</font> <a href="finseq_2.html#K4" title="FINSEQ_2:func.4">-tuples_on</a> <font color="Olive" title="b1">X</font>,<font color="Olive" title="b1">X</font> st <font color="Maroon" title="c1">S</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="circcomb.html#K6" title="CIRCCOMB:func.6">1GateCircStr</a> <font color="Olive" title="b3">p</font>,<font color="Olive" title="b4">f</font>
 
<b>by </b><i><a class="ref" href="circcmb3.html#D6" target="_self" title="CIRCCMB3:def.6">Def6</a></i>;<br/>
<b>hence </b><a NAME="E3:25_1_1"/>
<font color="Maroon" title="c1">S</font> is <a href="circcomb.html#V5" title="CIRCCOMB:attr.5">gate`2=den</a>
 ;<br/>


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