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Proof step 218 from proof fix-bits2bytes-01 (previous step)

((8 - n0) + # bits) % 8 = 0, # bits = m * 8 + n0, # bits % 8 = 0, m < n, # bits2bytes(bits) < n, bits.first, n0 < 8 ⊦ n - 1 - m = 0, mklist(true, 8 - n0) + bits = [], n0 = 0, n * 8 = # bits, bits = [], mklist(i2b(~1), n - # bits2bytes(bits)) + bits2bytes(bits) = bits2bytes(mklist(true, (n - 1 - m) * 8)) + bits2bytes(mklist(true, 8 - n0) + bits)

User applied rule insert equation

And closed the goal!

Rule argument

pos: left 2 flags: discard

Additional information

Used simplifier rules: ⊦ n < m → (m - n) + n = m;% ⊦ (m + n0) + n1 = m + n0 + n1;% ⊦ m + n = n + m;%n ≠ 0 ⊦ (m + n0 * n) % n = m % n;% ⊦ m0 * m * n = (m0 * m) * n;% ⊦ m * n = n * m;% ⊦ m < n → m % n = m;