You have chosen '' by , 'On the Cosmos (lost)' by Philolaus and 'A Subject with No Object' by JP Burgess / G Rosen
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 |