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Proof step 14 from proof fits-law-shr (previous step)

b2i(by) + 1 - 2 ^ band(i, 31) = 2 ^ band(i, 31) * ~1 + b2i(by) + 1, band(i, 31) < 32, 0 < band(i, 31), b2i(by) < 0 ⊦ (b2i(by) + 1 - 2 ^ band(i, 31)) / 2 ^ band(i, 31) = b2i(i2b((b2i(by) + 1 - 2 ^ band(i, 31)) / 2 ^ band(i, 31)))

User applied rule insert equation

And obtained the following new goals

Rule argument

pos: left 1 flags: discard

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