You have chosen 'Defining 'Intrinsic' (with Rae Langton)' by David Lewis, 'Sources of Knowledge of Mathematics' by Gottlob Frege and 'Remarks on the Foundations of Mathematics' by Ludwig Wittgenstein
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 |