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<span class="kw">let </span><font color="Maroon" title="c1">n</font> be   non  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>   <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> ; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide">  <a href="uniroots.html#K4" title="UNIROOTS:func.4">unital_poly</a> (<a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>,<font color="Maroon" title="c1">n</font>) <a href="funct_2.html#R2" title="FUNCT_2:pred.2">=</a>  <a href="uproots.html#K10" title="UPROOTS:func.10">poly_with_roots</a> <span class="p1">(<span class="default">(<span class="p2">(<span class="default"><font color="Maroon" title="c1">n</font> <a href="uniroots.html#K2" title="UNIROOTS:func.2">-roots_of_1</a></span>)</span>,1) <a href="uproots.html#K2" title="UPROOTS:func.2">-bag</a></span>)</span></span><br/>

<span class="kw">set </span><font color="Maroon" title="c2">p</font> =  <a href="uniroots.html#K4" title="UNIROOTS:func.4">unital_poly</a> (<a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>,<font color="Maroon" title="c1">n</font>);<br/>
<a NAME="E1:56"/>
 <a href="algseq_1.html#K1" title="ALGSEQ_1:func.1">len</a> <span class="p1">(<span class="default"><a href="uniroots.html#K4" title="UNIROOTS:func.4">unital_poly</a> (<a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>,<font color="Maroon" title="c1">n</font>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">n</font> <a href="binop_2.html#K23" title="BINOP_2:func.23">+</a> 1
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="uniroots.html#T40" target="_self" title="UNIROOTS:th.40">Th44</a></span>;<br/>
<span class="kw">then </span><span class="p1">(<span class="default"><a href="uniroots.html#K4" title="UNIROOTS:func.4">unital_poly</a> (<a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>,<font color="Maroon" title="c1">n</font>)</span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="algseq_1.html#K1" title="ALGSEQ_1:func.1">len</a> <span class="p3">(<span class="default"><a href="uniroots.html#K4" title="UNIROOTS:func.4">unital_poly</a> (<a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>,<font color="Maroon" title="c1">n</font>)</span>)</span></span>)</span> <a href="nat_d.html#K7" title="NAT_D:func.7">-'</a> 1</span>)</span> = 
<span class="p1">(<span class="default"><a href="uniroots.html#K4" title="UNIROOTS:func.4">unital_poly</a> (<a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>,<font color="Maroon" title="c1">n</font>)</span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c1">n</font>
<span class="kw">by</span> <span class="lab"><a class="ref" href="nat_d.html#T34" title="NAT_D:th.34">NAT_D:34</a></span>
<br/>.= 
 <a href="group_1.html#K1" title="GROUP_1:func.1">1_</a> <a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>
<span class="kw">by</span> <span class="lab"><a class="ref" href="uniroots.html#T38" target="_self" title="UNIROOTS:th.38">Th42</a></span>
;<br/>
<span class="kw">hence </span> <a href="uniroots.html#K4" title="UNIROOTS:func.4">unital_poly</a> (<a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>,<font color="Maroon" title="c1">n</font>) = 
 <a href="uproots.html#K10" title="UPROOTS:func.10">poly_with_roots</a> <span class="p1">(<span class="default"><a href="uproots.html#K8" title="UPROOTS:func.8">BRoots</a> <span class="p2">(<span class="default"><a href="uniroots.html#K4" title="UNIROOTS:func.4">unital_poly</a> (<a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>,<font color="Maroon" title="c1">n</font>)</span>)</span></span>)</span>
<span class="kw">by</span> <span class="lab"><a class="ref" href="uproots.html#T65" title="UPROOTS:th.65">UPROOTS:65</a></span>
<br/>.= 
 <a href="uproots.html#K10" title="UPROOTS:func.10">poly_with_roots</a> <span class="p1">(<span class="default">(<span class="p2">(<span class="default"><font color="Maroon" title="c1">n</font> <a href="uniroots.html#K2" title="UNIROOTS:func.2">-roots_of_1</a></span>)</span>,1) <a href="uproots.html#K2" title="UPROOTS:func.2">-bag</a></span>)</span>
<span class="kw">by</span> <span class="lab"><a class="ref" href="uniroots.html#T45" target="_self" title="UNIROOTS:th.45">Th49</a></span>
;<br/> <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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