You have chosen 'A Realistic Theory of Categories' by Roderick Chisholm, 'Essence and Accident' by Irving M. Copi and 'Naming and Necessity notes and addenda' by Saul A. Kripke
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 |