You have chosen 'Theory of Knowledge (2nd ed 1977)' by Roderick Chisholm, 'The History of Animals' by Aristotle and 'Principles of Nature and Grace based on Reason' 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 |