Posted: Aug 09, 2017 5:40 pm
by romansh
GrahamH wrote:I think I'm with SoS on this. 'physical colour', the physics of light and bus and visual system is a reliable discriminator of colour. The 'my red is like your red' spook inner mental world stuff is probably illusion. The bus isn't an illusion.

Well I agree our perception of 'colour' is a reasonable discriminator of colour (or at least photon wavelengths) . That was never an issue.