You have chosen 'A Realistic Theory of Categories' by Roderick Chisholm, 'Towards a Universal Characteristic' by Gottfried Leibniz and 'Lectures 1930-32 (student notes)' by Ludwig Wittgenstein
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 |