\begin{tabbing}
(\=(((BoolInd 1) \+
\\[0ex]CollapseTHEN (((Unfolds ``assert bnot not`` 0) 
\\[0ex]CollapseTHEN (Rewrite (
\-\\[0ex]R\=epeatC (HigherC ifthenelse\_evalC)) 0))$\cdot$))$\cdot$) \+
\\[0ex]CollapseTHEN ((Auto\_aux (first\_nat 1:n
\-\\[0ex]) ((first\_nat 1:n),(first\_nat 3:n)) (first\_tok :t) inil\_term)))$\cdot$
\end{tabbing}