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Proof step 14 from proof div-div-rec (previous step)

(2 * (i1 + 1) + j1) * 2 ^ i + j0 - 2 ^ i * 2 = 2 ^ i * (2 * i1 + j1) + j0, j + 1 = 2 ^ i * (2 * (i1 + 1) + j1) + j0, i1 * 2 + j1 < 0, 2 ^ i * ((i1 * 2 + j1) + 1) + j0 < 0, (i1 * 2 + j1) + 1 < i, 0 ≤ i, j < 0, 0 < i, abs(j0) < 2 ^ i, j1 ≤ 0, j1 < i, i1 ≤ 0, i1 < i, abs(j1) < 2, j0 ≤ 0, j0 < i ⊦ i1 = (2 ^ i * (2 * (i1 + 1) + j1) + j0 - 2 ^ i * 2) / (2 ^ i * 2)

User applied rule insert equation

And obtained the following new goals

Rule argument

pos: left 1 flags: discard

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