the control volume with one input stream
(Forall (?Self ?Time) (<=> (Active ?Time 1-Input-Control-Volume ?Self) (And (1-Input-Control-Volume ?Self) (Active ?Time Control-Volume ?Self))))
(Forall (?Self ?Time) (<=> (Active ?Time 1-Input-Control-Volume ?Self) (And (1-Input-Control-Volume ?Self) (Active ?Time Control-Volume ?Self)))) (Attribute-Function-Of Inlet-Stream 1-Input-Control-Volume) (Forall (?Self ?Time) (<=> (Active ?Time 1-1-Control-Volume ?Self) (And (1-1-Control-Volume ?Self) (Active ?Time 1-Input-Control-Volume ?Self) (Active ?Time 1-Output-Control-Volume ?Self)))) (Forall (?Self ?Time) (<=> (Active ?Time 1-2-Control-Volume ?Self) (And (1-2-Control-Volume ?Self) (Active ?Time 1-Input-Control-Volume ?Self) (Active ?Time 2-Output-Control-Volume ?Self))))