FORMULAS
➀ | forall t, u (t <->* u & NF(u) => t ->* u) |
➁ | forall t, u (t <->* u & NF(u) => t ->* u) |
➂ | forall s, t, u (s -> t & s ->! u => t ->* u) |
➃ | forall s, t, u (s -> t & s ->! u => t ->* u) |
➄ | forall t (WN(t) => CR(t)) |
➅ | forall t (WN(t) => CR(t)) |