You have chosen 'Academica' by M. Tullius Cicero, 'An Argument for the Identity Theory' by David Lewis and 'A General Principle to Explain Laws of Nature' by Gottfried Leibniz
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 |