You have chosen 'Must We Believe in Set Theory?st1=George Boolos' by , 'Killing in War' by Jeff McMahan and 'Survival and Identity, with postscript' by David Lewis
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 |