more from Walter Burley

Single Idea 16719

[catalogued under 12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities]

Full Idea

Secondary qualities are caused by a mixture of primary qualities.

Gist of Idea

The primary qualities are mixed to cause secondary qualities


Walter Burley (De formis [1330], pars post p.65), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 21.2

Book Reference

Pasnau,Robert: 'Metaphysical Themes 1274-1671' [OUP 2011], p.462

A Reaction

Like paint. He probably has in mind hot, cold, wet and dry as the primary qualities.