You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'Philosophy of Mathematics' by Leon Horsten and 'On boundary numbers and domains of sets' by Ernst Zermelo
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 |