Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Robert Geroch and Lord Kelvin (Wm Thomson)

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4 ideas

14. Science / B. Scientific Theories / 1. Scientific Theory

22363

You have only begun to do real science when you can express it in numbers [Kelvin]

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]

18. Thought / E. Abstraction / 3. Abstracta by Ignoring

9567	Maths deals with quantities of physical significance, ignoring irrelevant features [Geroch]

27. Natural Reality / A. Classical Physics / 2. Thermodynamics / a. Energy

20644

Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin]