You have chosen 'The Fixation of Belief' by Charles Sanders Peirce, 'Principles of Nature and Grace based on Reason' by Gottfried Leibniz and 'Morality and the emotions' by Bernard Williams
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 |