(Forall (?Self ?Time)
(<=> (Active ?Time 2-2-Port-Thermal-Component ?Self)
(And (2-2-Port-Thermal-Component ?Self)
(Active ?Time 2-Input-Thermal-Component ?Self)
(Active ?Time 2-Output-Thermal-Component ?Self))))
(Forall (?Self ?Time)
(<=> (Active ?Time 2-2-Open-Feedwater-Heater ?Self)
(And (2-2-Open-Feedwater-Heater ?Self)
(Active ?Time 2-2-Port-Thermal-Component ?Self)
(Active ?Time Open-Feedwater-Heater ?Self))))
(Forall (?Self ?Time)
(<=> (Active ?Time 2-2-Closed-Feedwater-Heater ?Self)
(And (2-2-Closed-Feedwater-Heater ?Self)
(Active ?Time 2-2-Port-Thermal-Component ?Self)
(Active ?Time Heat-Exchanger ?Self))))
(Forall (?Self ?Time)
(<=> (Active ?Time Steam-Generator-With-Reheat ?Self)
(And (Steam-Generator-With-Reheat ?Self)
(Active ?Time 2-2-Port-Thermal-Component ?Self))))