You have chosen 'On the Principles of Indiscernibles' by Gottfried Leibniz, 'Reply to First Objections' by Ren Descartes and 'There are no ordinary things' by Peter Unger
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 |