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Proof step 45 from proof setInt-theorem (previous step)

# int2bytes(i) = 2, fillsgn(3, int2bytes(i >> 8)) = by ' + by0 ' + by1 ' ⊦ i = b2i(i2b(i)), by = i2b(i >> 24) ∧ by0 = i2b(i >> 16) ∧ by1 = i2b(i >> 8)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: bytes inst: name: int2bytes-rec-shift seq: ⊦ i < ~128 ∨ 128 ≤ i → int2bytes(i) = int2bytes(i >> 8) + i2b(i) subst: [i] → [i] flags: rewrite, current

Additional information

Used terms: i