You have chosen 'The Sign of Four' by Arthur Conan Doyle, 'Martin Heidegger in conversation' by Martin Heidegger and 'The Iliad or the Poem of Force' by Simone Weil
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 |