Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Richard Sorabji and Arend Heyting

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4 ideas

6. Mathematics / C. Sources of Mathematics / 6. Logicism / d. Logicism critique

8754	Logic is dependent on mathematics, not the other way round [Heyting, by Shapiro]

12. Knowledge Sources / E. Direct Knowledge / 4. Memory

23304

The ancient Memorists said virtually all types of thinking could be done simply by memory [Sorabji]

23303

Stoics say true memory needs reflection and assent, but animals only have perceptual recognition [Sorabji]

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]