You have chosen 'Unconscious Cerebral Initiative' by Benjamin Libet, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'How to Make our Ideas Clear' by Charles Sanders Peirce
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 |