You have chosen 'On the Moral and Legal State of Abortion' by Mary Anne Warren, 'On boundary numbers and domains of sets' by Ernst Zermelo and 'Platonism and the Spiritual Life' by George Santayana
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 |