You have chosen 'Lectures on the History of Philosophy' by Georg W.F.Hegel, 'Boole calculus and the Concept script' by Gottlob Frege and 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede
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 |