You have chosen 'Frege's Concept of Numbers as Objects' by Crispin Wright, 'Precepts for Advancing Science and Arts' by Gottfried Leibniz and 'The Inference to the Best Explanation' by Gilbert Harman
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 |