You have chosen 'The Origin of the Work of Art' by Martin Heidegger, 'A Defense of Abortion' by Judith (Jarvis) Thomson and 'Must We Believe in Set Theory?' by George Boolos
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 |