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Proof step 7 from proof int2bytes-zero (previous step)

¬(127 < i ∧ i ≤ 255), int2bytes(i) = i2b(0) ', i ≤ 255 ⊦ i = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
int2bytes(i) = i2b(0) ', i ≤ 127 ⊦ i = 0

Rule argument

Additional information

Used simplifier rules: j0 ≠ 0, j ≤ j0 ⊦ i ≤ (* j) → i ≤ (* j0);% ⊦ ¬ i < j ↔ j ≤ i;