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Theorem new-ext

⊦ new(log, fs) ↔ (∀ adr. adr ∈ log → ¬ adr ∈ fs)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: write-new, write-new-app-nodups,
Used by units in proved state: gjournal-abs,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 8
Used lemmas: new-rec, new-base, new-in-fs,
Used spec theorems:
- Used simplifier rules:
  - list/address-list-set/in-rec
  - list/address-list-set/a
  - list/address-list-set/c