<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E28">Th19</font></span>: <a NAME="T19"><span class="comment"><font color="firebrick">:: QUOFIELD:19</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">I</font> being   non  <a href="struct_0.html#V6" title="STRUCT_0:attr.6">degenerated</a>   <a href="group_1.html#V5" title="GROUP_1:attr.5">commutative</a>   <a href="vectsp_2.html#V1" title="VECTSP_2:attr.1">domRing-like</a>  <a href="vectsp_1.html#NM3" title="VECTSP_1:NM.3">Ring</a>  holds  <a href="quofield.html#K12" title="QUOFIELD:func.12">q1.</a> <font color="Olive" title="b1">I</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a>  <a href="quofield.html#K11" title="QUOFIELD:func.11">q0.</a> <font color="Olive" title="b1">I</font></div></div>
