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<div><span class="kw">theorem </span><a NAME="T8"><span class="comment"><font color="firebrick">:: PRALG_1:8</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">k</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="margrel1.html#K18" title="MARGREL1:func.18">arity</a> <span class="p1">(<span class="default"><a href="pralg_1.html#K7" title="PRALG_1:func.7">TrivialOp</a> <font color="Olive" title="b1">k</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">k</font></div></div>
