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Theorem obs-implies-lbnif

obs(sys, d) = obs(sys0, d) ⊦ ∀ nam. cdom(nam) ⇒ d → contents(sys, nam) = contents(sys0, nam)

Type: A proof obligation
Validity: The proof is valid.
Features: theorem,
Comment: uses observe-all-names.
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 6
Used lemmas: observe-all-names,
Used spec theorems:
- AccessControl/extensionality
- AccessControl/obs-other-domain
Used simplifier rules:
- AccessControl/obs-other-domain
- AccessControl/obs-in-domain