the class of operating mode models of air
(Forall (?Self ?Air-Involved)
(<=> (And (= (Air-Involved ?Self) ?Air-Involved)
(Air-Operating-Mode ?Self))
(And (Operating-Mode-Model ?Self) (Air ?Air-Involved))))
(Forall (?Self ?Time)
(<=> (Active ?Time Air-Operating-Mode ?Self)
(And (Air-Operating-Mode ?Self)
(Active ?Time Operating-Mode-Model ?Self))))
(Forall (?Self ?Air-Involved)
(<=> (And (= (Air-Involved ?Self) ?Air-Involved)
(Air-Operating-Mode ?Self))
(And (Operating-Mode-Model ?Self) (Air ?Air-Involved))))
(Forall (?Self ?Time)
(<=> (Active ?Time Air-Operating-Mode ?Self)
(And (Air-Operating-Mode ?Self)
(Active ?Time Operating-Mode-Model ?Self))))
(Participant-Function-Of Air-Involved Air-Operating-Mode)
(Forall (?Self)
(<=> (Control-Volume-Inlet-Stream-Thermodynamic-State ?Self)
(And (Air-Operating-Mode ?Self)
(Control-Volume-Op-Mode ?Self)
(Substance-In (Cv-Involved ?Self)
(Air-Involved ?Self)))))
(Forall (?Self ?Time)
(<=> (Active ?Time
Control-Volume-Inlet-Stream-Thermodynamic-State
?Self)
(And (Control-Volume-Inlet-Stream-Thermodynamic-State ?Self)
(Active ?Time Air-Operating-Mode ?Self)
(Active ?Time Control-Volume-Op-Mode ?Self))))
(Forall (?Self)
(<=> (Control-Volume-Outlet-Stream-Thermodynamic-State ?Self)
(And (Air-Operating-Mode ?Self)
(Control-Volume-Op-Mode ?Self)
(Substance-In (Cv-Involved ?Self)
(Air-Involved ?Self)))))
(Forall (?Self ?Time)
(<=> (Active ?Time
Control-Volume-Outlet-Stream-Thermodynamic-State
?Self)
(And (Control-Volume-Outlet-Stream-Thermodynamic-State ?Self)
(Active ?Time Air-Operating-Mode ?Self)
(Active ?Time Control-Volume-Op-Mode ?Self))))