the one-input, two-output control volume
(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))))
(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)))) (Inherited-Facet-Value Slot-Value-Type Extraction-Turbine-System Xtbn-Cv 1-2-Control-Volume) (=> (Extraction-Turbine-System ?Self) (And (Value-Cardinality ?Self Xtbn 1) (Value-Type ?Self Xtbn Simple-Turbine) (Value-Cardinality ?Self Xtbn 1) (Value-Cardinality ?Self Xtbn-Cv 1) (Value-Type ?Self Xtbn-Cv 1-2-Control-Volume) (Value-Cardinality ?Self Xtbn-Cv 1) (Value-Cardinality ?Self Expsn-Prcs 1) (Value-Type ?Self Expsn-Prcs Steady-Flow-Expansion) (Value-Cardinality ?Self Expsn-Prcs 1) (Cv-Component (Xtbn-Cv ?Self) (Xtbn ?Self)) (Component-Cv (Xtbn ?Self) (Xtbn-Cv ?Self)) (Process-Cv (Expsn-Prcs ?Self) (Xtbn-Cv ?Self)))) (=> (Xtbn-Cv $X $Y) (1-2-Control-Volume $Y))