You have chosen 'Letters to Paul Pellison-Fontinier' by Gottfried Leibniz, 'The Evolution of Physics' by Einstein,A/Infeld,L and 'Of the original contract' by David Hume
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 |