abs(j) < maxScale(i), ∀ i0, j. i→n(i0) < i→n(i) → abs(j) < maxScale(i0) → mkDecimal(i0, j).scale = 0 ⊦ mkDecimal(i, j).scale = 0
Used simplifier rules: <; (wellfounded) Used terms: i→n(i)