more from Roy Sorensen

Single Idea 9118

[catalogued under 12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities]

Full Idea

The bands of colour in a colour spectrum do not correspond to objective discontinuities in light wavelengths. These apparently external bands arise from our biology rather than simple physics.

Gist of Idea

The colour bands of the spectrum arise from our biology; they do not exist in the physics


Roy Sorensen (Vagueness and Contradiction [2001], Intro)

Book Reference

Sorensen,Roy: 'Vagueness and Contradiction' [OUP 2004], p.4

A Reaction

If any more arguments are needed to endorse the fact that some qualities are clearly secondary (and, to my amazement, such arguments seem to be very much needed), I would take this to be one of the final conclusive pieces of evidence.