On Vision and Colors from a prism, however, the production of white can be demonstrated by using a mixture of colored light from each of the three main pairs of complementary colors: red – green, orange – blue, or yellow – violet. White can be produced from two complementary opposite colors when both of the external causes of the colors excite the same retinal place at the same time. Newton claimed that white could be produced by the aggregation of his seven prismatic colors. He erroneously considered color to be in light instead of in the eye. White is the result of the combination
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",