You have chosen 'On Second-Order Logic' by George Boolos, 'Substance and Individuation in Leibniz' by Cover,J/O'Leary-Hawthorne,J and 'Sketch for a Theory of the Emotions' by Jean-Paul Sartre
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 |