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Proof step 55 from proof rightshift-8-02 (previous step)

abs(i) < abs(256), int2bytes(i) = by ', i % 256 = 0, i < 0, i < ~128, ~256 ≤ i ⊦ 0 = ~1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 56:
int2bytes(i) = by ', i % 256 = 0, i < 0, i < ~128, ~256 ≤ i, ~256 < i ⊦

Rule argument

Additional information

Used simplifier rules: ⊦ i + j = j + i;% ⊦ i + j + i0 = (i + j) + i0;% ⊦ (* j) < i0 + (* j0) ↔ j - j0 < i0;% ⊦ ~ i < j ↔ 0 < j + i;% ⊦ i < 0 → abs(i) = ~ i;