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<a NAME="E1:63_1_1"/>
( <font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <span class="p1">(<span class="default"><a href="rlvect_1.html#K1">0.</a> <font color="Maroon">V</font></span>)</span> <a href="hidden.html#R1">=</a>  <a href="rlvect_1.html#K1">0.</a> <font color="Maroon">K</font> &amp;  <a href="vectsp10.html#K8" target="_self">ker</a> <font color="Maroon">f</font> <a href="hidden.html#R1">=</a> <span class="p1">{<span class="default"> <font color="Olive">v</font> where <font color="Olive">v</font> is   <a href="vectsp_1.html#NM5">Vector</a> of <font color="Maroon">V</font> : <font color="Maroon">f</font> <a href="funct_2.html#K3">.</a> <font color="Olive">v</font> <a href="hidden.html#R1">=</a>  <a href="rlvect_1.html#K1">0.</a> <font color="Maroon">K</font> </span>}</span>  )
 
<b>by </b><i><a class="ref" href="hahnban1.html#D13">HAHNBAN1:def 13</a></i>;<br/>
<a NAME="E2:63_1_1"/><b>then </b>
 <a href="rlvect_1.html#K1">0.</a> <font color="Maroon">V</font> <a href="hidden.html#R2">in</a>  <a href="vectsp10.html#K8" target="_self">ker</a> <font color="Maroon">f</font>
 
;<br/>
<b>hence </b><a NAME="E3:63_1_1"/>
not  <a href="vectsp10.html#K8" target="_self">ker</a> <font color="Maroon">f</font> is <a href="xboole_0.html#V1">empty</a>
 ;<br/>


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