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<div><span class="kw">theorem </span><a NAME="T22"><span class="comment"><font color="firebrick">:: SRINGS_3:22</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b2">S</font> being    <a href="srings_3.html#M2" title="SRINGS_3:mode.2">semialgebra_of_sets</a> of <font color="Olive" title="b1">X</font> holds   <a href="srings_3.html#K4" title="SRINGS_3:func.4">Field_generated_by</a> <font color="Olive" title="b2">S</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="srings_3.html#K2" title="SRINGS_3:func.2">DisUnion</a> <font color="Olive" title="b2">S</font></div></div>
