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Proof step 26 from proof bytes2bytes-fix (previous step)

0 ≤ b2i(by0), ∀ bytes0. # bytes0 < #(i2b(0) + by0 + bytes) → true → bytes0 = [] ∨ fix(# bytes0, int2bytes(bytes2int(bytes0))) = bytes0 ⊦ ¬ 2 + # bytes ≤ # int2bytes(bytes2int(by0 ' + bytes)), fix(2 + # bytes, int2bytes(bytes2int(by0 ' + bytes))) = i2b(0) ' + by0 ' + bytes

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 27:
0 ≤ b2i(by0), 2 + # bytes ≤ # int2bytes(bytes2int(by0 ' + bytes)), ∀ bytes0. # bytes0 < #(i2b(0) + by0 + bytes) → true → bytes0 = [] ∨ fix(# bytes0, int2bytes(bytes2int(bytes0))) = bytes0 ⊦ fix(2 + # bytes, int2bytes(bytes2int(by0 ' + bytes))) = i2b(0) ' + by0 ' + bytes

Proof step 26 from proof bytes2bytes-fix (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information