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Proof step 4 from proof bytes2int-zero-06 (previous step)

bytes2int(bytes) = 0, by ∈ bytes ⊦ bytes = [], b2i(by) = 0

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 5:
⊦ by ≠ i2b(0) ∧ by ∈ bytes → bytes2int(bytes) ≠ 0

Rule argument

name: bytes2int-zero-03 rotate: F subst: [by, bytes] → [by, bytes]

Additional information

Used simplifier rules: ⊦ b2i(i2b(0)) = 0; Used terms: by, bytes