| nplus_succ_2: \forall q, r. NPlus p q r \to NPlus p (succ q) (succ r).
(*CSC: the URI must disappear: there is a bug now *)
| nplus_succ_2: \forall q, r. NPlus p q r \to NPlus p (succ q) (succ r).
(*CSC: the URI must disappear: there is a bug now *)