You have chosen 'Against Structural Universals' by David Lewis, 'Les quaestiones de anima (lectures on the soul)' by Blasius of Parma and 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer
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 |