You have chosen 'Theories of Everything' by Frank Close, 'Review of Frege's 'Grundlagen'' by George Cantor and 'A Priori Knowledge Revisited' by Philip Kitcher
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 |