You have chosen 'Lives of Eminent Philosophers' by Diogenes Laertius, 'The Thesis that Mathematics is Logic' by Hilary Putnam and 'Art and Its Objects' by Richard Wollheim
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 |