Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Cratylus and Roderick Firth

expand these ideas     |    start again     |     specify just one area for these philosophers

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4 ideas

9. Objects / E. Objects over Time / 8. Continuity of Rivers

579	Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle]

12. Knowledge Sources / B. Perception / 4. Sense Data / d. Sense-data problems

6493	We are not conscious of pure liquidity, but of the liquidity of water [Firth]

13. Knowledge Criteria / D. Scepticism / 1. Scepticism

578	Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

20653

Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]