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Proof step 2 from proof bytes2int-rec (previous step)

⊦ bytes = [], bytes2int(bytes + by ') = bytes2int(bytes) * 256 + band(b2i(by), 255)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ bytes2int(bytes) = bits2int(bytes2bits(bytes))
Proof step 4:
⊦ bytes = [], bits2int(bytes2bits(bytes + by ')) = bytes2int(bytes) * 256 + band(b2i(by), 255)

Rule argument

name: bytes2int rotate: F subst: [bytes] → [bytes + by ']

Additional information

Used terms: bytes + by '