You have chosen 'On the Happy Life' by Seneca the Younger, 'Letters to Thomas Burnett' by Gottfried Leibniz and 'True in Theory, but not in Practice' by Immanuel Kant
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Thought, or select a subheading: |
| A. | Modes of Thought | |
| B. | Mechanics of Thought | |
| C. | Content | |
| D. | Concepts | |
| E. | Abstraction |