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Proof step 51 from proof no-leading-zero (previous step)

¬(0 ≤ 256 + b2i(by0) ∧ 256 + b2i(by0) ≤ 127), b2i(by) = 0, int2bytes(256 + b2i(by0)) = i2b(0) ' + by ' + bytes1 + by0 ', ~256 ≤ b2i(by0), b2i(by0) < 0, i2b(0) ∈ int2bytes(256 + b2i(by0)), by0 ∈ int2bytes(256 + b2i(by0)), ∀ by, bytes0. # bytes0 < #(bytes1 + by0 ') → int2bytes(bytes2int(i2b(0) ' + by ' + bytes0)) = i2b(0) ' + by ' + bytes0 ∧ 0 ≤ b2i(by) → false ⊦ true ∈ bytes2bits(bytes1), true ∈ byte2bits(i2b(0))

User applied rule prop simplification

And obtained the following new goals

Rule argument

pos: left 1

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