You have chosen 'On the Principles of Indiscernibles' by Gottfried Leibniz, 'Ways Worlds Could Be' by Peter Forrest and 'Whitehead and the Rise of Modern Logic' by Willard Quine
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 |