You have chosen 'On Plural Reference and Set Theory' by Helen Cartwright, 'New system of communication of substances' by Gottfried Leibniz and 'On the Individuation of Attributes' by Willard Quine
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 |