Combining Philosophers

Ideas for Rescher,N/Oppenheim,P, Galileo Galilei and John von Neumann

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2 ideas

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities

7401	Heat and colour don't exist, so cannot mislead about the external world [Galileo, by Tuck]

5454	Tastes, odours and colours only reside in consciousness, and would disappear with creatures [Galileo]