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Proof step 5 from proof int2bytes-rec-neg-256-01 (previous step)

i < ~256, i < 0 ⊦ fix(2, int2bytes(i % 256)).rest = int2bytes(i % 256).last ', i % 256 = 0

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 6:
⊦ bytes ≠ [] → fix(2, bytes).rest = bytes.last '

Rule argument

name: fix2rest-last rotate: F subst: [bytes] → [int2bytes(i % 256)]

Additional information

Used simplifier rules: int2bytes-empty: ⊦ int2bytes(i) ≠ []; Used terms: int2bytes(i % 256)