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