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Theorem IFProperty1

⊦ ¬ ∅ ++ dom(CreditCardCenter-ccd, mkCreditCardCenter(m)) ⇒1 ∅ ++ dom(Mailbox(GetFlightOffers-AirlineCmd), mkAirline(0)) ++ dom(Mailbox(BookFlightOffer-AirlineCmd), mkAirline(0)) ++ dom(Mailbox(OkPayCommission-AirlineCmd), mkAirline(0))

Type: A proof obligation
Validity: The proof is valid.
Features: theorem,
Comment: Credit card details only flow to the Airline after a confirmation
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 5
Used lemmas: User-interference-def-01, domains-interference-def-01,
Used spec theorems:
- Used simplifier rules:
  - domain/disj-11
  - domain/disj-15
  - domain/disj-01
  - domain/disj-02
  - domain/disj-12
  - domain/disj-08
  - set-basic/domains/rax
  - set-basic/domains/in-04
  - set-basic/domains/addtwo
  - domdefinitions/dom-Mailbox-OkPayCommission
  - domdefinitions/dom-Mailbox-BookFlightOffer
  - domdefinitions/dom-Mailbox-GetFlightOffers-03
  - domdefinitions/dom-ccd