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Proof step 1 from proof bytes2int-mone (conclusion)

⊦ b2i(by) < 0 → bytes2int(i2b(~1) ' + by ' + bytes) = bytes2int(by ' + bytes)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
b2i(by) < 0 ⊦ bytes2int(i2b(~1) ' + by ' + bytes) = bytes2int(by ' + bytes)

Rule argument

Additional information

Used simplifier rules: ⊦ j < i ∧ i ≤ 0 → j < 0; (forward)