You have chosen 'The Value of Science' by Henri Poincaré, 'Fact, Fiction and Forecast (4th ed)' by Nelson Goodman and 'Writing the Book of the World' by Theodore Sider
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 |