| Reflexivity of loc
| Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
| Rewrite of loc * direction * 'term *
| Reflexivity of loc
| Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
| Rewrite of loc * direction * 'term *
| We_need_to_prove of loc * 'term * 'ident option * 'term option
| Bydone of loc * 'term option
| We_proceed_by_induction_on of loc * 'term * 'term
| We_need_to_prove of loc * 'term * 'ident option * 'term option
| Bydone of loc * 'term option
| We_proceed_by_induction_on of loc * 'term * 'term
| Byinduction of loc * 'term * 'ident
| Thesisbecomes of loc * 'term
| Case of loc * string * (string * 'term) list
| Byinduction of loc * 'term * 'ident
| Thesisbecomes of loc * 'term
| Case of loc * string * (string * 'term) list