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Proof step 14 from proof int2bytes-butlast (previous step)

i < 0 ∧ 8 ≤ 8, i < ~128, ~256 < i, i < 0 ⊦ (i - 255) / 256 >> (8 - 8) = ~1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 15:
i < ~128, ~256 < i, i < 0 ⊦ (i - 255) / 256 = ~1

Rule argument

Additional information

Used simplifier rules: ⊦ i >> 0 = i;