You have chosen 'The Wanderer and his Shadow' by Friedrich Nietzsche, 'Investigations in the Foundations of Set Theory I' by Ernst Zermelo and 'Letters to Bouvet' 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 |