(Forall (?Self ?Time)
(=> (Active ?Time Water ?Self)
(And (= (Lambda (?T)
(If (= ?T ?Time)
(Value-At (Molecular-Weight ?Self)
?T)))
18.016)
(= (Lambda (?T)
(If (= ?T ?Time)
(Value-At (Critical-Temperature ?Self)
?T)))
647.286)
(= (Lambda (?T)
(If (= ?T ?Time)
(Value-At (Critical-Pressure ?Self)
?T)))
22.089)
(= (Lambda (?T)
(If (= ?T ?Time)
(Value-At (Critical-Density ?Self)
?T)))
317.0)
(= (Lambda (?T)
(If (= ?T ?Time)
(Value-At (Reference-Temperature ?Self)
?T)))
273.16)
(= (Lambda (?T)
(If (= ?T ?Time)
(Value-At (Ideal-Gas-Constant ?Self)
?T)))
461.51))))
(Forall (?Self ?Time)
(<=> (Active ?Time Water ?Self)
(And (Water ?Self) (Active ?Time Substance ?Self))))