| i % 10 = 0 ∧ j ≠ 0 ∧ i ≠ 0, abs(j) < maxScale(i), ∀ i0, j. i→n(i0) < i→n(i) → abs(j) < maxScale(i0) → mkDecimal(i0, j).int = i0 / 10 ^ abs(j) ⊦ mkDecimal(i / 10, abs(j) - 1).int = i / 10 ^ abs(j) |
i % 10 = 0, abs(j) < maxScale(i), ∀ i0, j. i→n(i0) < i→n(i) → abs(j) < maxScale(i0) → mkDecimal(i0, j).int = i0 / 10 ^ abs(j) ⊦ j = 0, i = 0, mkDecimal(i / 10, abs(j) - 1).int = i / 10 ^ abs(j)