Searching Philosophy of Spiritual Activity
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- Title: PoSA (Poppelbaum): Chapter IV
- the external world. Similarly, colour and heat are inferred to be
- heat or as colour. When these processes stimulate the nerves in the
- skin of my body, I have the subjective percept of heat; when they
- colour, and heat, then, are the reactions of my sensory nerves to
- Title: PoSA (Poppelbaum): Chapter VII
- activity of red, there are rays which have only heat effects. These
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