| i * i0 = i1 + 1, gcd(i, j) = 1, 0 < i0, 1 < i0, 0 ≤ i0, 0 < i, i0 |%| j < j, i0 |%| j < i0, 0 ≤ i0 |%| j, j ≤ i0, j | i1, 0 < j, 1 < j ⊦ i = 0, j = 0, (i * i0 |%| j) |%| j = 1 |
⊦ 0 < j → (i * i0) |%| j = (i |%| j * i0 |%| j) |%| j
0 < j, i * i0 = i1 + 1, gcd(i, j) = 1, 0 < i0, 1 < i0, 0 ≤ i0, 0 < i, i0 |%| j < j, i0 |%| j < i0, 0 ≤ i0 |%| j, j ≤ i0, j | i1, 0 < j, 1 < j ⊦ i = 0, j = 0, (i |%| j * (i0 |%| j) |%| j) |%| j = 1
Used terms: j, i0 |%| j, i