Herbart develops his theory of disposition on the basis of persisting (stehende) and rising (steigende) representations (SW VI: 57).[50] That is, all dispositions must ultimately be explicable in terms of persisting or rising representations, and nothing else. Taking first the case of a representation (or representational series) R that stands still in consciousness, its persistence may be due to the simultaneous and countervailing forces exerted on it by rising and inhibiting representations,