 Two other aspects of Johnson’s discussion are worth noting. First, he denies that determinables are in any sense shared by determinates: “the ground for grouping determinates under one and the same determinable is not any partial agreement between them” but rather “the special kind of difference” (1921: I, xi, 1) distinguishing opposing  determinates.[3]  As we’ll see, this is a choice point for contemporary accounts. Second, Johnson assumes that while limits in our perceptual or instrumental capabilities require that we characterize objects in determinable terms, it is nonetheless a 