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Proof step 163 from proof setInt-theorem (previous step)

# int2bytes(i) ≥ 4, int2bytes(i) = by ' + by0 ' + by1 ' + by2 ', 4 < # int2bytes(i), by2 ∈ int2bytes(i), by ∈ int2bytes(i) ⊦ by = i2b(i >> 24) ∧ by0 = i2b(i >> 16) ∧ by1 = i2b(i >> 8) ∧ by2 = i2b(i)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: in-14: ⊦ by ' + bytes = bytes0 → by ∈ bytes0; (forward) from specification list[bytelist]%a: ⊦ (bytes + bytes0) + bytes1 = bytes + bytes0 + bytes1; from specification list[bytelist]%in-15: ⊦ bytes + by ' = bytes0 → by ∈ bytes0; (forward) from specification list[bytelist]%lels-03: ⊦ m < n → m ≤ n; from specification nat%ge: ⊦ n ≥ m ↔ m ≤ n; from specification nat