You have chosen 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero, 'On Motion' by Gottfried Leibniz and 'The Value of Knowledge and the Pursuit of Understanding' by Jonathan Kvanvig
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 |