You have chosen 'The Logic of Boundaryless Concepts' by Ian Rumfitt, 'Constructibility and Mathematical Existence' by Charles Chihara 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 Existence, or select a subheading: |
| A. | Nature of Existence | |
| B. | Change in Existence | |
| C. | Structure of Existence | |
| D. | Theories of Reality | |
| E. | Categories |