You have chosen 'The Decline of the West' by Oswald Spengler, 'An Axiomatization of Set Theory' by John von Neumann and 'The Nature of Possibility' by David M. Armstrong
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 |