| i→n(i0) + i→n(i1) < # ar, i→n(i0) + i→n(i1) = (i→n(i0) + n) % # ar, 0 < i1, n < i→n(i1), 0 ≤ i0 + i1, inv(mk(ar[(i→n(i0) + n) % # ar, a], n→i(# ar), i0, i1 + 1)), i1 < n→i(# ar), inv(mk(ar, n→i(# ar), i0, i1)), i0 < n→i(# ar), i1 ≤ n→i(# ar), 0 ≤ i0, 0 ≤ (i0 + i1) % n→i(# ar) ⊦ # ar = 0, i1 = 0, # ar = 1, ar[(i→n(i0) + n) % # ar] = a |
i→n(i0) + i→n(i1) = (i→n(i0) + n) % # ar, 0 ≤ (i0 + i1) % n→i(# ar), 0 ≤ i0, i1 ≤ n→i(# ar), i0 < n→i(# ar), inv(mk(ar, n→i(# ar), i0, i1)), i1 < n→i(# ar), inv(mk(ar[i→n(i0) + i→n(i1), a], n→i(# ar), i0, i1 + 1)), 0 ≤ i0 + i1, n < i→n(i1), 0 < i1, i→n(i0) + i→n(i1) < # ar ⊦ ar[i→n(i0) + i→n(i1)] = a, # ar = 1, i1 = 0
[[CONCRETESIMPRULES : ([CSIMPSEQ : n ≠ 0 ⊦ m % n < n], [CSIMPFORWARD : ⊦ m < n → n ≠ 0], [CSIMPFORWARD : ⊦ m < n ∧ m = n0 → n0 < n], [CSIMPSEQ : ⊦ m + n = n + m], [CSIMPSEQ : ⊦ (m + n0) + n1 = m + n0 + n1], [CSIMPSEQ : ⊦ m < n → n ≠ 0])]]