You have chosen George Engelbretsen and Brian R. Martin.
start again | choose another area for these philosophers | all the ideas for this combination of philosophers| 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 |