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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E18">Th20</font></span>: <a NAME="T22"><span class="comment"><font color="firebrick">:: NIVEN:22</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">L</font> being   non  <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>   <a href="struct_0.html#L2" title="STRUCT_0:struct.2">ZeroStr</a> <br/>  for <font color="Olive" title="b2">z</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Olive" title="b1">L</font> holds   <a href="relset_1.html#K2" title="RELSET_1:func.2">rng</a> <span class="p1"><a href="algseq_1.html#K2" title="ALGSEQ_1:func.2">&lt;%</a><span class="default"><font color="Olive" title="b2">z</font></span><a href="algseq_1.html#K2" title="ALGSEQ_1:func.2">%&gt;</a></span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="tarski.html#K2" title="TARSKI:func.2">{</a><span class="default"><font color="Olive" title="b2">z</font>,<span class="p2">(<span class="default"><a href="struct_0.html#K4" title="STRUCT_0:func.4">0.</a> <font color="Olive" title="b1">L</font></span>)</span></span><a href="tarski.html#K2" title="TARSKI:func.2">}</a></span></div></div>
