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Proof step 1 from proof bytes2int-size-03 (conclusion)

⊦ 0 < b2i(by) → 2 ^ (n→i(# bytes) * 8) ≤ bytes2int(by ' + bytes)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
bytes2int(by ' + bytes) < 2 ^ (n→i(# bytes) * 8), 0 < b2i(by) ⊦

Rule argument

Additional information

Used simplifier rules: ⊦ i < j ∧ 0 ≤ i → 0 < j; (forward)% ⊦ ¬ i ≤ j ↔ j < i;