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<b>let </b><font color="Maroon" title="c2">f</font> be   <a href="hahnban.html#NM1" title="HAHNBAN:NM.1">Functional</a> of <font color="Maroon" title="c1">V</font>;<br/>

<b>assume </b><a NAME="E1:30_2_1"/><i><font color="Green" title="E32">A2</font></i>: 
<font color="Maroon" title="c2">f</font> is <a href="hahnban.html#V3" title="HAHNBAN:attr.3">homogeneous</a>
 ;<br/>

<b>let </b><font color="Maroon" title="c3">x</font> be   <a href="rlvect_1.html#NM1" title="RLVECT_1:NM.1">VECTOR</a> of <font color="Maroon" title="c1">V</font>; <i><font color="Red">:: according to </font></i><a class="ref" href="hahnban.html#D6" target="_self" title="HAHNBAN:def.6">HAHNBAN:def 6</a><br/><b>let </b><font color="Maroon" title="c4">r</font> be   <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a>;<br/>



<b>thus </b><a NAME="E2:30_2_1"/>
( <font color="Maroon" title="c4">r</font> <a href="xxreal_0.html#NR4" title="XXREAL_0:NR.4">&gt;</a>  <a href="numbers.html#K6" title="NUMBERS:func.6">0</a>  implies <font color="Maroon" title="c2">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1">(<span class="default"><font color="Maroon" title="c4">r</font> <a href="rlvect_1.html#K2" title="RLVECT_1:func.2">*</a> <font color="Maroon" title="c3">x</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">r</font> <a href="real_1.html#K8" title="REAL_1:func.8">*</a> <span class="p1">(<span class="default"><font color="Maroon" title="c2">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c3">x</font></span>)</span> )
 <b>by </b><i><a class="txt" href="hahnban.html#E1:30_2_1"><i><font color="Green" title="E32">A2</font></i></a>, <a class="ref" href="hahnban.html#D5" target="_self" title="HAHNBAN:def.5">Def5</a></i>;<br/>


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