You have chosen 'Lectures on the History of Philosophy' by Georg W.F.Hegel, 'The Establishment of Scientific Semantics' by Alfred Tarski and 'Science and Hypothesis' by Henri Poincar
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 |