You have chosen 'Preface to Universal Characteristic' by Gottfried Leibniz, 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz and 'On Plural Reference and Set Theory' by Helen Cartwright
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Objects, or select a subheading: |
| A. | Existence of Objects | |
| B. | Unity of Objects | |
| C. | Structure of Objects | |
| D. | Essence of Objects | |
| E. | Objects over Time | |
| F. | Identity among Objects |