You have chosen 'The Really Hard Problem' by Owen Flanagan, 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell and 'The Big Book of Concepts' by Gregory L. Murphy
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Natural Theory, or select a subheading: |
| A. | Speculations on Nature | |
| B. | Natural Kinds | |
| C. | Causation | |
| D. | Laws of Nature |