You have chosen 'Three Grades of Modal Involvement' by Willard Quine, 'Introduction to Zermelo's 1930 paper' by Michael Hallett and 'A Short History of German Philosophy' by Vittorio Hsle
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 |