You have chosen 'Vagueness, Truth and Logic' by Kit Fine, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'On the spiritual perfection of life' by Thomas Aquinas
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 |