n % (n0 * m) = m0 * m + n1, n1 < m ⊦ n1 = 0 ↔ n % m = 0, n0 = 0
Used simplifier rules: f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic% ⊦ m < n → n ≠ 0; (s)