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Proof step 4 from proof byte-nle-01 (previous step)

~128 ≤ b2i(by) ∧ b2i(by) ≤ 127, 256 ≤ abs(b2i(by) + 1) ⊦ ~1 = b2i(by)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
~128 ≤ b2i(by), 256 ≤ abs(b2i(by) + 1) ⊦ ~1 = b2i(by)

Rule argument

Additional information

Used simplifier rules: byte-le: ⊦ b2i(by) ≤ 127;