\begin{tabbing} (\=(SplitITE ({-}1)) \+ \\[0ex]CollapseTHEN (Try (((Auto\_aux (first\_nat 1:n) ((first\_nat 1:n \-\\[0ex])\=,(first\_nat 3:n)) (first\_tok :t) inil\_term)) \+ \\[0ex]CollapseTHEN (Fail))$\cdot$))$\cdot$ \- \end{tabbing}