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Proof step 4 from proof bits2bytes-len-02 (previous step)

bits ≠ [] ⊦ # bits % 8 = 0, (# bits - 1) / 8 + 1 = # bits / 8 + 1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
⊦ bits = [], # bits % 8 = 0, (# bits - 1) / 8 = # bits / 8

Rule argument

Additional information

Used simplifier rules: ⊦ m + n = n + m;% ⊦ (m + n0) + n1 = m + n0 + n1;% ⊦ m + n = m + n0 ↔ n = n0;