| reachable-n(H, n, r, r), ∃ r1. reachable-1(H, r, r1) ∧ reachable-n(H, m0, r1, 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) |
reachable-n(H, m0, r1, r0), reachable-1(H, r, r1), reachable-n(H, n, r, r), ∀ 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 : ()]]