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Theorem IFProperty2

⊦ ¬ ∅ ++ dom(CreditCardCenter-ccd, mkCreditCardCenter(m)) ⇒2 ∅ ++ dom(Mailbox(GetFlightOffers-TravelAgencyCmd), mkTravelAgency(0)) ++ dom(Mailbox(RetFlightOffers-TravelAgencyCmd), mkTravelAgency(0)) ++ dom(Mailbox(PayCommission-TravelAgencyCmd), mkTravelAgency(0))

Type: A proof obligation
Validity: The proof is valid.
Features: theorem,
Comment: Credit card details never flow to the Travel Agency
Used by:
Used by units in proved state:
Proof exists?: Yes

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Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: User-interference-def-02, domains-interference-def-02,
Used spec theorems:
- Used simplifier rules: