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Proof step 7 from proof fillsgn-not-empty (previous step)

fillsgn(n, int2bytes(i)) = [], n < # int2bytes(i) ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 8:
⊦ # bytes ≥ n → fillsgn(n, bytes) = bytes

Rule argument

name: fillsgn-longer rotate: F subst: [bytes, n] → [int2bytes(i), n]

Additional information

Used simplifier rules: int2bytes-empty: ⊦ int2bytes(i) ≠ [];% ⊦ n ≥ m ↔ m ≤ n;% ⊦ ¬ m ≤ n ↔ n < m;% ⊦ m < n → ¬ n < m; Used terms: int2bytes(i), n