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Proof step 19 from proof intshiftrsign-abs-le (previous step)

2 ^ band(j, 31) - i + 1 = 2 ^ band(j, 31) + ~(i + 1), i + 1 < 2 ^ band(j, 31), band(j, 31) < 32, i < 0, 0 < band(j, 31), 0 < (2 ^ band(j, 31) - i + 1) / 2 ^ band(j, 31) + i ⊦ band(j, 31) = 0

User applied rule insert equation

And obtained the following new goals

Rule argument

pos: left 1 flags: discard

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