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Theorem newrefs-lastn

⊦ is_newref_list(refs, st) ∧ n ≤ # refs → is_newref_list(lastn(n, refs), 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: 3
Proof steps: 7
Used lemmas: newref, list_ok,
Used spec theorems:
- Used simplifier rules:
  - list-del/references/lastN-in-01
  - list-del/references/lastN-dups-01