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Theorem fill-append-shift

⊦ # ar0 ≤ n → fill(ar0 + ar1, a, n, m) = ar0 + fill(ar1, a, n - # ar0, m)

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 6
Proof steps: 17
Used lemmas: append-at, append-at2, append-at1, append-a, append-len,
Used spec theorems:
- array/Extension
- array-copy/at-fill-h
Used simplifier rules: