 In addition to their theory of objective validity, another core commitment in the mature writings of the Marburg school is a rejection of the “given”. In this, they are explicitly departing from Kant. Kant had argued that our cognitive faculty has two stems: a receptive faculty (sensibility), and a spontaneous faculty (understanding). Through sensibility, objects are given to us, and through the understanding, objects are thought. The representations of sensibility are intuitions, which relate to objects immediately; the representations of the understanding are concepts, which relate to objects mediately. The Marburgers’ skepticism of these distinctions culminated in Cohen’s Logic of Pure Knowledge (1902: §7), where these dualisms are definitively rejected. As Natorp put the point: 