Iof proof for Lemma compose wf:
A, B, C:Type, f:(B
C), g:(AB). (f o g) 
AC
by ((Unfold `compose` 0)
CollapseTHEN ((Auto_aux (first_nat 1:n) ((first_nat 1:n),(first_nat 3:n
C)) (first_tok :t) inil_term)))
C.| 12,41 |
A, B, C:Type, f:(BC), g:(AB). (f o g) AC
by ((Unfold `compose` 0)
CollapseTHEN ((Auto_aux (first_nat 1:n) ((first_nat 1:n),(first_nat 3:n
C)) (first_tok :t) inil_term)))
C.
| Definitions | Tx:A. B(x) |