| gcd(m, n1) = 0, n = n1 + m, m < n, m ≤ n, ∀ n0, m. n0 < n → gcd(m, n0) = 0 ∧ m < n0 → false ⊦ |
gcd(m, n1) = 0, ∀ n0, m0. n0 < n1 + m → gcd(m0, n0) = 0 ∧ m0 < n0 → false ⊦ n1 = 0
Used simplifier rules: c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic% ⊦ m < m + n ↔ n ≠ 0; (s)% ⊦ m < n → m ≤ n; (s)