You have chosen 'Three Grades of Modal Involvement' by Willard Quine, 'Could a computer ever understand?' by Roger Penrose and 'The Ultimate Constituents of Matter' by Bertrand Russell
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 |