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Proof step 2 from proof fix-length-01 (previous step)

⊦ fix(# bytes, bytes) = bytes

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ # bytes ≥ n → fix(n, bytes) = lastn(n, bytes)
Proof step 4:
# bytes ≥ # bytes ⊦ lastn(# bytes, bytes) = bytes

Rule argument

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

Additional information

Used simplifier rules: ⊦ n ≥ m ↔ m ≤ n;% ⊦ ¬ m ≤ n ↔ n < m;% ⊦ ¬ n < n; Used terms: bytes, # bytes