You have chosen 'The Sign of Four' by Arthur Conan Doyle, 'Inference to the Best Explanation (2nd)' by Peter Lipton and 'The Reasons of Love' by Harry G. Frankfurt
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 |