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<b>let </b><font color="Maroon" title="c1">V</font> be   <a href="rlvect_1.html#NM2" title="RLVECT_1:NM.2">RealLinearSpace</a>;<br/><b>let </b><font color="Maroon" title="c2">x</font>, <font color="Maroon" title="c3">y</font>, <font color="Maroon" title="c4">u</font> be   <a href="rlvect_1.html#NM1" title="RLVECT_1:NM.1">VECTOR</a> of <font color="Maroon" title="c1">V</font>;<br/>







<b>assume </b><a NAME="E1:25"/><i><font color="Green" title="E22">A1</font></i>: 
 <a href="analmetr.html#R1" title="ANALMETR:pred.1">Gen</a> <font color="Maroon" title="c2">x</font>,<font color="Maroon" title="c3">y</font>
 ;<br/>

<b>take </b><font color="Maroon" title="c5">v</font> =  <a href="rlvect_1.html#K4" title="RLVECT_1:func.4">-</a> <span class="p1">(<span class="default"><a href="analort.html#K3" title="ANALORT:func.3">Orte</a> <font color="Maroon" title="c2">x</font>,<font color="Maroon" title="c3">y</font>,<font color="Maroon" title="c4">u</font></span>)</span>;<br/>

<b>thus </b> <a href="analort.html#K3" title="ANALORT:func.3">Orte</a> <font color="Maroon" title="c2">x</font>,<font color="Maroon" title="c3">y</font>,<font color="Maroon" title="c5">v</font> = 
 <a href="rlvect_1.html#K4" title="RLVECT_1:func.4">-</a> <span class="p1">(<span class="default"><a href="analort.html#K3" title="ANALORT:func.3">Orte</a> <font color="Maroon" title="c2">x</font>,<font color="Maroon" title="c3">y</font>,<span class="p2">(<span class="default"><a href="analort.html#K3" title="ANALORT:func.3">Orte</a> <font color="Maroon" title="c2">x</font>,<font color="Maroon" title="c3">y</font>,<font color="Maroon" title="c4">u</font></span>)</span></span>)</span>
<b>by </b><i><a class="txt" href="analort.html#E1:25"><i><font color="Green" title="E22">A1</font></i></a>, <a class="ref" href="analort.html#T9" target="_self" title="ANALORT:th.9">Th9</a></i>
<br/>.= 
 <a href="rlvect_1.html#K4" title="RLVECT_1:func.4">-</a> <span class="p1">(<span class="default"><a href="rlvect_1.html#K4" title="RLVECT_1:func.4">-</a> <font color="Maroon" title="c4">u</font></span>)</span>
<b>by </b><i><a class="txt" href="analort.html#E1:25"><i><font color="Green" title="E22">A1</font></i></a>, <a class="ref" href="analort.html#T14" target="_self" title="ANALORT:th.14">Th14</a></i>
<br/>.= 
<font color="Maroon" title="c4">u</font>
<b>by </b><i><a class="ref" href="rlvect_1.html#T30" title="RLVECT_1:th.30">RLVECT_1:30</a></i>
;<br/>


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