You have chosen 'Introduction to Mathematical Logic' by Michal Walicki, 'On the Principles of Indiscernibles' by Gottfried Leibniz and 'Structure of Scientific Revolutions (2nd ed)' by Thomas S. Kuhn
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 |