⊦ m < n → m % n = m
j0 < j, 0 < j, 0 ≤ j, 0 ≤ j0, 0 ≤ i0 ⊦ i→n(j0) = i→n(j0) % i→n(j), i→n(j0) < i→n(j)
Used terms: i→n(j), i→n(j0)