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Proof step 17 from proof cong-crt-01 (previous step)

i ^ i0 = j0 * i1 + i, i ^ i0 = j * i2 + i, prime(j), prime(j0), 0 < i, 0 ≤ i0 ⊦ j = j0, j * j0 | i ^ i0 - i

User applied rule insert equation

And obtained the following new goals

Proof step 18:
i ^ i0 = j0 * i1 + i, j0 * i1 + i = j * i2 + i, prime(j), prime(j0), 0 < i, 0 ≤ i0 ⊦ j = j0, j * j0 | j0 * i1 + i - i

Rule argument

pos: left 1 flags:

Additional information