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Proof step 2 from proof int2bytes-len-neg256 (previous step)

~256 ≤ i, i < ~128, i < 0 ⊦ # int2bytes(i) = 2

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ int2bytes(i) = bits2bytes(int2bits(i))
Proof step 4:
~256 ≤ i, i < ~128, i < 0 ⊦ # bits2bytes(int2bits(i)) = 2

Rule argument

name: int2bytes rotate: F subst: [i] → [i]

Additional information

Used terms: i