You have chosen 'Morality and Art' by Philippa Foot, 'On the Ultimate Origination of Things' by Gottfried Leibniz and 'The Principles of Science' by William S. Jevons
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 |