You have chosen 'The Spirit of the Laws (rev. 1757)' by Baron de Montesquieu, 'Mathematical Logic (revised)' by Willard Quine and 'Letters from a Stoic' by Seneca the Younger
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 |