| reachable-n(H, m, r, r0), reachable-n(H, m + n * n0, r, r0) ⊦ n < m + n * n0, n0 = 0, ∃ r0. reachable-n(H, n, r, r0) |
reachable-n(H, m, r, r0), reachable-n(H, m + n * n0, r, r0), m + n * n0 ≤ n ⊦ n0 = 0, ∃ r0. reachable-n(H, n, r, r0)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ m < n ↔ n ≤ m])]]