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<b>let </b><font color="Maroon">y</font> be   <a href="vectsp_1.html#NM5">Vector</a> of <font color="Maroon">W</font>; <i><font color="Red">:: according to </font></i><a class="ref" href="bilinear.html#D13" target="_self">BILINEAR:def 13</a><br/>

<a NAME="E1:42_2_1"/>
 <a href="bilinear.html#K10" target="_self">FunctionalSAF</a> <span class="p1">(<span class="default"><a href="bilinear.html#K1" target="_self">NulForm</a> <font color="Maroon">V</font>,<font color="Maroon">W</font></span>)</span>,<font color="Maroon">y</font> <a href="funct_2.html#R2">=</a>  <a href="hahnban1.html#K7">0Functional</a> <font color="Maroon">V</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:42_2_1"/>
 <a href="bilinear.html#K10" target="_self">FunctionalSAF</a> <span class="p1">(<span class="default"><a href="bilinear.html#K1" target="_self">NulForm</a> <font color="Maroon">V</font>,<font color="Maroon">W</font></span>)</span>,<font color="Maroon">y</font> is <a href="hahnban1.html#V1">additive</a>
 ;<br/>


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