You have chosen 'Letters to Hugo Boxel' by Baruch de Spinoza, 'Reply to 'Rorarius' 2nd ed' by Gottfried Leibniz and 'The Source of Necessity' by Bob Hale
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 |