You have chosen 'A Puzzle about Belief' by Saul A. Kripke, 'Introduction to Russell's Theory of Types' by Willard Quine and 'On boundary numbers and domains of sets' by Ernst Zermelo
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 |