Are colors part of the physical world, or do they depend upon perceiving minds? How can we reconcile the picture of the world presented to us by science with the view of the world that naturally suggests itself to common sense? Are color sensations identical with brain states, or different from them? These questions are at the intersection of science and philosophy. Several possible answers are proposed; all of them face serious difficulties.
7.2 The philosophy of color
A problem that has long preoccupied philosophers is whether color qualities are to be located in the physical world, independent of the consciousness of perceivers, ...