You have chosen 'On the Moral and Legal State of Abortion' by Mary Anne Warren, 'What is an Idea?' by Gottfried Leibniz and 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz
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 |