You have chosen 'A Discourse on Method' by René Descartes, 'On boundary numbers and domains of sets' by Ernst Zermelo and 'New System and Explanation of New System' by Gottfried Leibniz
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 |