You have chosen 'Individuals without Sortals' by M.R. Ayers, 'Principles of Theoretical Logic' by Hilbert,D/Ackermann,W and 'The Guide of the Perplexed' by Moses Maimonides
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 |