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Proof step 2 from proof fillsgn-length (previous step)

# fillsgn(n, bytes) < n ⊦ bytes = []

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ # bytes ≥ n → fillsgn(n, bytes) = bytes
Proof step 4:
¬ # bytes ≥ n, # fillsgn(n, bytes) < n ⊦ bytes = []

Rule argument

name: fillsgn-longer rotate: F subst: [bytes, n] → [bytes, n]

Additional information

Used simplifier rules: ⊦ n ≥ m ↔ m ≤ n;% ⊦ m < n → (n ≤ m ↔ false); Used terms: bytes, n