| ∃ m, r0. reachable-n(H, m, r, r0) ∧ (∃ n. n ≠ 0 ∧ (∀ n0. reachable-n(H, m + n0 * n, r, r0))) ⊦ ∃ r0. reachable-n(H, n, r, r0) |
reachable-n(H, m, r, r0), ∀ n1. reachable-n(H, m + n1 * n0, r, r0) ⊦ n0 = 0, ∃ r0. reachable-n(H, n, r, r0)
[[CONCRETESIMPRULES : ()]]