You have chosen 'Aristotle and Descartes on Matter' by Gottfried Leibniz, 'Introduction of 'Essence of Christianity'' by Ludwig Feuerbach and 'The Will to Believe' by William James
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 |