You have chosen 'Mathematical Logic (revised)' by Willard Quine, 'Why coherence is not enough' by James Van Cleve and 'Elements of Set Theory' by Herbert B. Enderton
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 |