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Theorem newrefs-rec

⊦ is_newref_list(r ' + refs, st) ↔ ¬ ¬ (¬ r ∈ refs ∧ newref(r, st) ∧ is_newref_list(refs, st))

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp,
Comment:
Used by: newrefs-01, newrefs-jvmref, newrefs-new-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 7
Proof steps: 18
Used lemmas: instore-01, newref, list_ok,
Used spec theorems:
- Used simplifier rules:
  - refkey/sel-01
  - refkey/elim
  - list-dup/references/dups-cons
  - list/references/a
  - list/references/in-append
  - list/references/in-17