Combining Texts

Ideas for 'Concerning the Author', 'The Strangest Man' and 'De formis'

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2 ideas

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities

16719	The primary qualities are mixed to cause secondary qualities [Burley]
	Full Idea: Secondary qualities are caused by a mixture of primary qualities.
	From: Walter Burley (De formis [1330], pars post p.65), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 21.2
	A reaction: Like paint. He probably has in mind hot, cold, wet and dry as the primary qualities.

12. Knowledge Sources / D. Empiricism / 2. Associationism

14765	Association of ideas is the best philosophical idea of the prescientific age [Peirce]
	Full Idea: The doctrine of the association of ideas is, to my thinking, the finest piece of philosophical work of the prescientific ages.
	From: Charles Sanders Peirce (Concerning the Author [1897], p.2)