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Proof step 1 from proof fix-pos-le (conclusion)

⊦ # bytes ≤ n ∧ 0 ≤ bytes2int(bytes) → fix(n, bytes) = mklist(i2b(0), n - # bytes) + bytes

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
# bytes ≤ n, 0 ≤ bytes2int(bytes) ⊦ fix(n, bytes) = mklist(i2b(0), n - # bytes) + bytes

Rule argument

Additional information

Used simplifier rules: ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j; (forward)