 Perception provides one source of support for there being determinables, which on the face of it are not appropriately taken to be reducible to determinates. The best motivations here are indirect, since bare claims that we can perceive determinables as distinct from determinates are  disputable.[12]  One such motivation appeals to Sorites phenomena as indicating that we fail to perceive fully determinate instances of many properties, including colors, tones, and textures. As Fales puts it, this 