You have chosen 'Theory Change and the Indeterminacy of Reference' by Hartry Field, 'Principles of Philosophy' by Ren Descartes and 'Dion and Theon: an essentialist solution' by Michael Burke
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 |