You have chosen 'A Combinatorial Theory of Possibility' by David M. Armstrong, 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer and 'Reference and Generality (3rd ed)' by Peter Geach
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 |