You have chosen 'Investigations in the Foundations of Set Theory I' by Ernst Zermelo, 'Oxford Dictionary of Philosophy' by Simon Blackburn and 'Identity and Existence in Logic' by C. Anthony Anderson
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 |