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Proof step 8 from proof bytes2int-first-pos-01 (previous step)

bytes2int(by + bytes) < 0, 0 ≤ b2i(by) ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 9:
⊦ ¬ 0 ≤ bytes2int(by + bytes) → ¬ 0 ≤ b2i(by)

Rule argument

name: bytes2int-first-pos rotate: F subst: [by, bytes] → [by, bytes]

Additional information

Used simplifier rules: ⊦ by + bytes = by ' + bytes;% ⊦ i ≤ j → (¬ ¬ j < i ↔ false); Used terms: by, bytes