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Proof step 3 from proof maxScale-pot10-add (previous step)

i * 10 ^ j + i0 * 10 ^ j0 = (i * 10 ^ (j - min(j, j0)) + i0 * 10 ^ (j0 - min(j, j0))) * 10 ^ min(j, j0), 0 ≤ j, 0 ≤ j0 ⊦ maxScale(i * 10 ^ j + i0 * 10 ^ j0) = min(j, j0), (i + i0) % 10 = 0, i0 % 10 = 0, i % 10 = 0

User applied rule insert equation

And obtained the following new goals

Rule argument

pos: left 1 flags: discard

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