m < n, ∀ n0, m. n0 < n → m < n0 → n0 = 0 ∨ m = 0 ∨ ¬ m < gcd(m, n0) ∧ ¬ n0 < gcd(m, n0) ⊦ n = 0 ∨ m = 0 ∨ ¬ m < gcd(m, n) ∧ ¬ n < gcd(m, n)
Used simplifier rules: <; (wellfounded) Used terms: n