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Theorem Security-simple

⊦ obs(run(cl), d) = obs(run(ipurge(cl, d)), d)

Type: A proof obligation
Validity: The proof is valid.
Features: theorem,
Comment: This is the standard (simple) purge security property. Proved with RMA-1 and lemma1.
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 3
Used lemmas: Security-simple-without-initialstate, run-initial,
Used spec theorems:
- Used simplifier rules: