You have chosen 'Elucidation of some points in E.Schröder' by Gottlob Frege, 'Reference and Definite Descriptions' by Keith Donnellan and 'A Tour through Mathematical Logic' by Robert S. Wolf
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 |