You have chosen 'Life of Pythagoras' by Iamblichus, 'The Principles of Chemistry' by Dmitri Mendeleev and 'Theory of Knowledge (2nd ed 1977)' by Roderick Chisholm
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 |