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Proof step 119 from proof setInt-theorem (previous step)

¬(i >> 8 < ~128 ∨ 128 ≤ i >> 8), int2bytes(i >> 8) = by0 ' + by1 ', i < 0, i >> 8 < 0, i < ~128 ⊦ i = b2i(i2b(i)), i2b(~1) = i2b(i >> 24) ∧ by0 = i2b(i >> 16) ∧ by1 = i2b(i >> 8)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 120:
int2bytes(i >> 8) = by0 ' + by1 ', i < 0, i >> 8 < 0, i < ~128, ~128 ≤ i >> 8, i < i >> 8 ⊦ i = b2i(i2b(i)), i2b(~1) = i2b(i >> 24) ∧ by0 = i2b(i >> 16) ∧ by1 = i2b(i >> 8)

Rule argument

Additional information

Used simplifier rules: forward-lsle: ⊦ i < j ∧ j ≤ j0 → i < j0; (forward) from specification int-abs%forward-lels: ⊦ i ≤ j ∧ j < j0 → i < j0; (forward) from specification int-abs%numlslsdel: j0 ≠ 0, j < j0 ⊦ i < (* j) → i < (* j0); from specification int-basic1%lels-01: ⊦ ¬ i ≤ j ↔ j < i; from specification int-abs%lels: ⊦ ¬ i < j ↔ j ≤ i; from specification int-abs