You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'The Architecture of Mathematics' by Nicholas Bourbaki and 'Grundlagen der Arithmetik (Foundations)' by Gottlob Frege
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Existence, or select a subheading: |
| A. | Nature of Existence | |
| B. | Change in Existence | |
| C. | Structure of Existence | |
| D. | Theories of Reality | |
| E. | Categories |