You have chosen 'On the Foundations of Logic and Arithmetic' by David Hilbert, 'Meinong on Complexes and Assumptions' by Bertrand Russell and 'Logic for Philosophy' by Theodore Sider
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 |