You have chosen 'New System and Explanation of New System' by Gottfried Leibniz, 'The Semantic Conception of Truth' by Alfred Tarski and 'On the Foundations of Logic and Arithmetic' by David Hilbert
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 |