| ∀ H, n, r, r0. reachable-n(H, n, r, r) ∧ reachable-n(H, m0, r, r0) → reachable-n(H, n, r0, r0), reachable-n(H, n, r, r), reachable-n(H, m0 +1, r, r0) ⊦ reachable-n(H, n, r0, r0) |
reachable-n(H, n, r, r), reachable-n(H, m0 + 1, r, r0), ∀ H, n, r, r0. reachable-n(H, n, r, r) ∧ reachable-n(H, m0, r, r0) → reachable-n(H, n, r0, r0) ⊦ reachable-n(H, n, r0, r0)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ m +1 = m + 1])]]