You have chosen 'On the Question of Absolute Undecidability' by Peter Koellner, 'New System and Explanation of New System' by Gottfried Leibniz and 'On Sense and Reference' by Gottlob Frege
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 |