\begin{tabbing}
((((((\% Got to fix this \% 
\\[0ex]U\=nfold `member` 0) \+
\\[0ex]CollapseTHEN (
\-\\[0ex]R\=efine `isectEquality` [mk\_var\_arg `x']))$\cdot$) \+
\\[0ex]CollapseTHEN (Fold `member` 0))$\cdot$) 
\\[0ex]
\\[0ex]CollapseTHEN ((Auto\_aux (first\_nat 1:n) ((first\_nat 1:n),(first\_nat 3:n)) (first\_tok :t
\-\\[0ex]) inil\_term)))$\cdot$
\end{tabbing}