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Proof step 17 from proof rightshift-8-01 (previous step)

i % 256 ≠ 0 ∧ 255 = 256 - 1 ∧ i < 0 ∧ 0 < 256, i→n(j) < # int2bytes(i), i < 0, ∀ i, j0. i→n(j0) < i→n(j) → i→n(j0) < # int2bytes(i) → i >> 8 * abs(j0) = bytes2int(firstn(# int2bytes(i) - i→n(j0), int2bytes(i))) ⊦ j = 0, (i / 256 - 1) >> 8 * (abs(j) - 1) = bytes2int(firstn(# int2bytes(i) - i→n(j), int2bytes(i))), i % 256 = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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