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Proof step 15 from proof divide-by-10 (previous step)

(i0 * 10 + j) * 52429 = 8 * i0 * 2 ^ 16 + i0 * (2 * 2 ^ 16 - 10 - 10 * 13106) + j * (2 ^ 16 - 1 - 13106), 0 ≤ j, 0 ≤ i0, j < 10, i0 * 10 + j ≤ 65536 ⊦ ((i0 * 10 + j) * 52429) / 524288 = i0

User applied rule insert equation

And obtained the following new goals

Rule argument

pos: left 1 flags: discard

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