| zbrar[n].key < zbrar[n + 1].key, n < # zbrar, zbrar[n + m0].key < zbrar[n].key, zbrar[n + m0].key < zbrar[n + 1].key, sorted(zbrar, n + 1, m + 1), m0 ≤ m + 1, ∀ m2, m3, zbrar0, n0. ¬ m < m2 ∧ ¬ m < m3 ∧ sorted(zbrar0, n0, m + 1) → (zbrar0[n0 + m2].key < zbrar0[n0 + m3].key ↔ m2 < m3) ⊦ |
m0 = m1 +1, zbrar[n + m0].key < zbrar[n + 1].key, zbrar[n + m0].key < zbrar[n].key, n < # zbrar, zbrar[n].key < zbrar[n + 1].key, sorted(zbrar, n + 1, m + 1), m0 ≤ m + 1, ∀ m2, m3, zbrar0, n0. ¬ m < m2 ∧ ¬ m < m3 ∧ sorted(zbrar0, n0, m + 1) → (zbrar0[n0 + m2].key < zbrar0[n0 + m3].key ↔ m2 < m3) ⊦
Used simplifier rules: nat freely generated by 0, +1;;% ⊦ 0 ≤ m; (s)% ⊦ n + 0 = n; (s)%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic%c: ⊦ m + n = n + m; from specification nat-basic% ⊦ ¬ key < key; (s)