You have chosen 'The Bhagavad Gita' by Anon (Bhag), 'Letters to Coste' by Gottfried Leibniz and 'Principles of Theoretical Logic' by Hilbert,D/Ackermann,W
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 |