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Proof step 16 from proof fix-rec-pos (previous step)

n = m + 1 ∧ n ≠ 0, 1 + # bytes0 < n, 0 ≤ b2i(by), 0 ≤ bytes2int(by ' + bytes0), # bytes0 + 1 < n ⊦ mklist(i2b(0), n - 1 + # bytes0) = i2b(0) ' + mklist(i2b(0), m - 1 + # bytes0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
0 ≤ bytes2int(by ' + bytes0), 0 ≤ b2i(by), # bytes0 < m ⊦ mklist(i2b(0), m - # bytes0) = i2b(0) ' + mklist(i2b(0), m - 1 + # bytes0)

Rule argument

Additional information

Used simplifier rules: ⊦ m < n → n ≠ 0;% ⊦ m < n → n ≠ 0; (forward)% ⊦ m + n < m + n0 ↔ n < n0;% ⊦ m + 1 ≠ 0;% ⊦ m + n = n + m;% ⊦ (m + n0) + n1 = m + n0 + n1;% ⊦ m + n - n + n1 = m - n1;