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Proof step 52 from proof setInt-theorem (previous step)

fillsgn(3, int2bytes(b2i(i2b(i >> 8)))) = by ' + by0 ' + by1 ', i >> 8 = b2i(i2b(i >> 8)), i < ~128 ∨ 128 ≤ i ⊦ i = b2i(i2b(i)), by = i2b(i >> 24) ∧ by0 = i2b(i >> 16) ∧ by1 = i2b(b2i(i2b(i >> 8)))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 53:
⊦ int2bytes(b2i(by)) = by '
Proof step 54:
fillsgn(3, i2b(i >> 8) ') = by ' + by0 ' + by1 ', i >> 8 = b2i(i2b(i >> 8)), i < ~128 ∨ 128 ≤ i ⊦ i = b2i(i2b(i)), by = i2b(i >> 24) ∧ by0 = i2b(i >> 16) ∧ by1 = i2b(b2i(i2b(i >> 8)))

Rule argument

spec: bytes inst: name: int2bytes-byte-01 seq: ⊦ int2bytes(b2i(by)) = by ' subst: [by] → [i2b(i >> 8)] flags: rewrite, current

Additional information

Used terms: i2b(i >> 8)