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Theorem Security

⊦ wf(co) ∧ wf(cl) ∧ inv(sys) → test(sys, cl, co) = test(sys, purge(cl, cdom(co)), co)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment: Rushby's Theorem 1.
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 6
Proof steps: 11
Used lemmas: lemma1, wf-purge, inv-run-gen, test,
Used spec theorems:
- gen-CongTrans-wf/output-consistent
Used simplifier rules: