You have chosen 'Boole calculus and the Concept script' by Gottlob Frege, 'Virtues of the Mind' by Linda Trinkaus Zagzebski and 'Against the Logicians (two books)' by Sextus Empiricus
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 |