You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'Nature and Observability of Causal Relations' by Curt Ducasse and 'The Morality of Happiness' by Julia Annas
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 |