You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'Precepts for Advancing Science and Arts' by Gottfried Leibniz and 'The Theory of Transfinite Numbers' by George Cantor
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 |