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Theorem bar-firstn

⊦ n→i(n) ≤ j → firstn(n, getbytearray(r, i, j, st)) = getbytearray(r, i, n→i(n), st)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 3
Used lemmas: bar-sublist,
Used spec theorems:
- list-del/bytelist/first-sub
Used simplifier rules: