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Proof step 5 from proof fix-neg-le (previous step)

# bytes < n, bytes2int(bytes) < 0 ⊦ # bytes = n, fix(n, bytes) = mklist(i2b(~1), n - # bytes) + bytes

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 6:
⊦ # bytes < n ∧ bytes2int(bytes) < 0 → fix(n, bytes) = mklist(i2b(~1), n - # bytes) + bytes

Rule argument

name: fix-neg rotate: F subst: [bytes, n] → [bytes, n]

Additional information

Used simplifier rules: ⊦ m ≠ n → (¬ m < n ↔ n < m);% ⊦ m < n → ¬ n < m;% ⊦ ¬ i < j ↔ j ≤ i;% ⊦ i < j → (¬ ¬ j ≤ i ↔ false); Used terms: bytes, n