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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E74">Th121</font></span>: <a NAME="T122"><span class="comment"><font color="firebrick">:: FUNCT_7:122</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">a</font>, <font color="Olive" title="b2">b</font>, <font color="Olive" title="b3">c</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds  <span class="p1">(<span class="default">(<font color="Olive" title="b1">a</font>,<font color="Olive" title="b2">b</font>) <a href="funct_7.html#K12" title="FUNCT_7:func.12">followed_by</a> <font color="Olive" title="b3">c</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">a</font></div></div>
