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Proof step 7 from proof bytes2int-size-02 (previous step)

0 < b2i(by), 2 ^ ((n→i(# bytes) + 1) * 8 - 1) ≤ band(255, b2i(bytes.last)) + 256 * bytes2int(by ' + bytes.butlast), ∀ by, bytes0. # bytes0 < # bytes → true → 0 < b2i(by) → bytes2int(by ' + bytes0) < 2 ^ ((n→i(# bytes0) + 1) * 8 - 1) ⊦ bytes = [], bytes = []

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
0 < b2i(by), 2 ^ ((n→i(# bytes) + 1) * 8 - 1) ≤ band(255, b2i(bytes.last)) + 256 * bytes2int(by ' + bytes.butlast), ∀ by, bytes0. # bytes0 < # bytes → true → 0 < b2i(by) → bytes2int(by ' + bytes0) < 2 ^ ((n→i(# bytes0) + 1) * 8 - 1) ⊦ bytes = [], bytes = []

Proof step 7 from proof bytes2int-size-02 (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information