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Proof step 2 from proof band-255-neg (previous step)

255 = 2 ^ 8 - 1 ⊦ i < 0 → band(i, 255) = (i + 1) % 256 + 255

User applied rule insert equation

And obtained the following new goals

Proof step 3:
⊦ i < 0 → band(i, 2 ^ 8 - 1) = (i + 1) % 256 + (2 ^ 8 - 1)

Rule argument

pos: left 1 flags: discard

Additional information