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Theorem dir-not-open

⊦ of-cons(of, dirs, files) ∧ afs-cons(dirs, files) ∧ ino ∈ dirs → ¬ is-open(ino, of)

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: 3
Proof steps: 7
Used lemmas: is-open, of-cons,
Used spec theorems:
- Used simplifier rules: