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<b>let </b><font color="Maroon">F</font> be   <a href="algstr_3.html#NM2">Ternary-Field</a>;<br/><b>let </b><font color="Maroon">a</font> be   <a href="algstr_3.html#NM1">Scalar</a> of <font color="Maroon">F</font>;<br/><b>let </b><font color="Maroon">x</font> be   <a href="algstr_3.html#NM1">Scalar</a> of <font color="Maroon">F</font>;<br/><b>let </b><font color="Maroon">b</font> be   <a href="algstr_3.html#NM1">Scalar</a> of <font color="Maroon">F</font>;<br/><b>let </b><font color="Maroon">x'</font> be   <a href="algstr_3.html#NM1">Scalar</a> of <font color="Maroon">F</font>;<br/>









<b>assume </b><a NAME="E1:27"/><i><font color="Green">E24</font></i>: 
( <font color="Maroon">a</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="rlvect_1.html#K1">0.</a> <font color="Maroon">F</font> &amp;  <a href="algstr_3.html#K1" target="_self">Tern</a> <font color="Maroon">x</font>,<font color="Maroon">a</font>,<font color="Maroon">b</font> <a href="hidden.html#R1">=</a>  <a href="algstr_3.html#K1" target="_self">Tern</a> <font color="Maroon">x'</font>,<font color="Maroon">a</font>,<font color="Maroon">b</font> )
 ;<br/>

<a NAME="E2:27"/>
(  <a href="algstr_3.html#K1" target="_self">Tern</a> <font color="Maroon">x</font>,<span class="p1">(<span class="default"><a href="rlvect_1.html#K1">0.</a> <font color="Maroon">F</font></span>)</span>,<font color="Maroon">b</font> <a href="hidden.html#R1">=</a> <font color="Maroon">b</font> &amp;  <a href="algstr_3.html#K1" target="_self">Tern</a> <font color="Maroon">x'</font>,<span class="p1">(<span class="default"><a href="rlvect_1.html#K1">0.</a> <font color="Maroon">F</font></span>)</span>,<font color="Maroon">b</font> <a href="hidden.html#R1">=</a> <font color="Maroon">b</font> )
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E3:27"/>
<font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <font color="Maroon">x'</font>
 <b>by </b><i>, </i>;<br/>


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