On Vision and Colors are, however, nonessential properties that differ according to the type of light-refracting substance that is used. The top of the upper image is violet. Below the violet is blue. The bottom of the lower image is orange. Above the orange is yellow. In this way, along with the white disk and the black background, four prismatic colors appear: violet, blue, yellow, and orange. This is in disagreement with Newton's claim that there are seven prismatic colors. As the upper image overlaps black, it is seen as violet. Where it overlaps white, it is seen as blue. As the lower image
When a white horse is not a horse way. Similarly with other terms, so that such words as 'horse' and 'white', being used to designate both the concrete particular and the abstract universal, thus hold two values. However, there are no contemporary histories of Chinese philosophy that subscribe to Feng Youlan's interpretation. Other philosophers and sinologists who have analyzed the dialogue include Graham, Hansen, Harbsmeier, Thompson, and Van Norden. In the Chinese philosophical tradition, the "Baima Lun"'s significance is evident from how many Chinese classic texts directly or indirectly discuss it. The "Liezi", which lists and criticizes the paradoxes of Gongsun Long as "perversions of reason and sense",