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Proof step 2 from proof flightOffers-no-write-down (conclusion)

⊦ alter(domvar, Airline-flightOffers, mkAirline(0)) → domvar ⇒ dom(Airline-flightOffers, mkAirline(0))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
alter(domvar, Airline-flightOffers, mkAirline(0)) ⊦ domvar ⇒ User_TravelAgency_Airline

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : domdefinitions, , dom-flightOffers, ⊦ dom (Airline-flightOffers, mkAirline(n)) = User_TravelAgency_Airline])]]