You have chosen 'Survival and Identity, with postscript' by David Lewis, 'Real Natures and Familiar Objects' by Crawford L. Elder and 'A Universe from Nothing' by Lawrence M. Krauss
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 |