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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E24">extsubst</font></span>: <a NAME="T24"><span class="comment"><font color="firebrick">:: FIELD_14:24</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">F</font> being   <a href="vectsp_1.html#NM5" title="VECTSP_1:NM.5">Field</a><br/>  for <font color="Olive" title="b2">E</font> being   <a href="field_4.html#NM4" title="FIELD_4:NM.4">FieldExtension</a> of <font color="Olive" title="b1">F</font><br/>  for <font color="Olive" title="b3">p</font>, <font color="Olive" title="b4">q</font> being   <a href="polynom3.html#NM1" title="POLYNOM3:NM.1">Polynomial</a> of <font color="Olive" title="b1">F</font><br/>  for <font color="Olive" title="b5">p1</font>, <font color="Olive" title="b6">q1</font> being   <a href="polynom3.html#NM1" title="POLYNOM3:NM.1">Polynomial</a> of <font color="Olive" title="b2">E</font>  st <font color="Olive" title="b5">p1</font> <a href="funct_2.html#R1" title="FUNCT_2:pred.1">=</a> <font color="Olive" title="b3">p</font> &amp; <font color="Olive" title="b6">q1</font> <a href="funct_2.html#R1" title="FUNCT_2:pred.1">=</a> <font color="Olive" title="b4">q</font> holds <br/> <a href="polynom5.html#K6" title="POLYNOM5:func.6">Subst</a> (<font color="Olive" title="b5">p1</font>,<font color="Olive" title="b6">q1</font>) <a href="funct_2.html#R1" title="FUNCT_2:pred.1">=</a>  <a href="polynom5.html#K6" title="POLYNOM5:func.6">Subst</a> (<font color="Olive" title="b3">p</font>,<font color="Olive" title="b4">q</font>)</div></div>
