You have chosen 'Two Problems of Epistemology' by Karl Popper, 'Concepts without Boundaries' by Mark Sainsbury and 'Les quaestiones de anima (lectures on the soul)' by Blasius of Parma
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 |