| 8 * (2 + n→i(# bytes1)) - 1 = 8 + (8 * (1 + n→i(# bytes1)) - 1), bytes2int(i2b(~1) ' + by ' + bytes1) + 2 ^ (8 * (n→i(# bytes1) + 1) - 1) < 0, 0 ≤ 2 ^ (8 * (2 + n→i(# bytes1)) - 1) + band(255, b2i(by0)) + 256 * bytes2int(i2b(~1) ' + by ' + bytes1), 0 ≤ b2i(by), 2 ^ (8 * (n→i(# bytes1) + 1) - 1) < 255 * bytes2int(i2b(~1) ' + by ' + bytes1) + 2 ^ (8 * (2 + n→i(# bytes1)) - 1) + band(255, b2i(by0)), ∀ by, bytes0. # bytes0 < #(bytes1 + by0 ') → 0 ≤ b2i(by) ∧ 0 ≤ bytes2int(i2b(~1) ' + by ' + bytes0) + 2 ^ (8 * (n→i(# bytes0) + 1) - 1) → false ⊦ |
bytes2int(i2b(~1) ' + by ' + bytes1) + 2 ^ (8 * (n→i(# bytes1) + 1) - 1) < 0, 0 ≤ 2 ^ (8 + (8 * (1 + n→i(# bytes1)) - 1)) + band(255, b2i(by0)) + 256 * bytes2int(i2b(~1) ' + by ' + bytes1), 0 ≤ b2i(by), 2 ^ (8 * (n→i(# bytes1) + 1) - 1) < 255 * bytes2int(i2b(~1) ' + by ' + bytes1) + 2 ^ (8 + (8 * (1 + n→i(# bytes1)) - 1)) + band(255, b2i(by0)), ∀ by, bytes0. # bytes0 < #(bytes1 + by0 ') → 0 ≤ b2i(by) ∧ 0 ≤ bytes2int(i2b(~1) ' + by ' + bytes0) + 2 ^ (8 * (n→i(# bytes0) + 1) - 1) → false ⊦