You have chosen 'Universal Arithmetick' by Isaac Newton, 'A World of States of Affairs' by David M. Armstrong and 'Four Decades of Scientific Explanation' by Wesley Salmon
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 |