Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Richard Fitzralph and Moses Schnfinkel

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3 ideas

5. Theory of Logic / A. Overview of Logic / 3. Value of Logic

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Logicians acknowledge too few things, while others acknowledge too many [Fitzralph]

5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic

17699

Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel]

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]