You have chosen 'Individuals without Sortals' by M.R. Ayers, 'Our Knowledge of the External World' by Bertrand Russell and 'Tarski on Truth and Logical Consequence' by John Etchemendy
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 |