You have chosen 'On the Natural Faculties' by Galen, 'Philosophical Letters from England' by Francois-Marie Voltaire and 'Aesthetic as Science of Expression' by Benedetto Croce
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 |