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Explanation/facts/secondary qualities: colors, sounds, tastes, smells show indeed the necessary explanation diversity. It is not a conceptual error to assume that (colorblind) bulls are set in rage by red cloths.
Also, the colors of a negative can be explained by reference to the original colors.
secondary properties, VsLocke: E.g. the cat sits by the fire, because it is warm there.
extensive cosmological role: it is not their job to sabotage all statements that are not formulated using the strict vocabulary of the primary qualities of theoretical science.
(Cosmological role see content).
Wahrheit und Objektivität Frankfurt 2001