You have chosen 'An Analysis of Knowledge and Valuation' by C.I. Lewis, 'Nominalism and Substitutional Quantifiers' by Ruth Barcan Marcus and 'Philosophy and the Mirror of Nature' by Richard Rorty
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 |