| ∀ rs, H0, H1. rtc(n0, modify(rs))(H0, H1) → ((H0 ≡ H1))(rs), ∃ H2. modify(rs)(H0, H2) ∧ rtc(n0, modify(rs))(H2, H1) ⊦ ((H0 ≡ H1))(rs) |
modify(rs)(H0, H), rtc(n0, modify(rs))(H, H1), ∀ rs, H0, H1. rtc(n0, modify(rs))(H0, H1) → ((H0 ≡ H1))(rs) ⊦ ((H0 ≡ H1))(rs)