You have chosen 'Good and Evil' by Peter Geach, 'Persistence, Change and Explanation' by Sally Haslanger and 'Remarks on the definition and nature of mathematics' by Haskell B. Curry
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 |