You have chosen 'Ethical Studies' by F.H. Bradley, 'On the Conservation of Force' by Hermann von Helmholtz and 'Dialogue on human freedom and origin of evil' 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 |