(Forall (?Self)
(<=> (Saturated-Water-Stream-Specific-Volume ?Self)
(And (2d-Stream-Operating-Mode ?Self)
(Water-Operating-Mode ?Self)
(Substance-In 2d-Stream-Involved Water-Involved)
(Saturated-P 2d-Stream-Involved true))))
(Forall
(?Self ?Time)
(=> (Active ?Time Saturated-Water-Stream-Specific-Volume ?Self)
(= (Lambda
(?T)
(If (= ?T ?Time)
(Value-At (Specific-Volume (2d-Stream-Involved ?Self))
?T)))
(Compute-Saturated-Vapor-Specific-Volume
(Lambda
(?T)
(If (= ?T ?Time)
(Value-At
(Stream-Pressure (2d-Stream-Involved ?Self))
?T)))
(Lambda (?T)
(If (= ?T ?Time)
(Value-At (Quality (2d-Stream-Involved ?Self))
?T)))))))
(Forall (?Self ?Time)
(<=> (Active ?Time
Saturated-Water-Stream-Specific-Volume
?Self)
(And (Saturated-Water-Stream-Specific-Volume ?Self)
(Active ?Time 2d-Stream-Operating-Mode ?Self)
(Active ?Time Water-Operating-Mode ?Self))))