You have chosen 'Phil of Mathematics and Natural Science' by Hermann Weyl, 'Letters to De Vries' by Baruch de Spinoza and 'Of liberty, Fate and God's grace' 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 |