You have chosen 'Sententia on 'De Caelo'' by Thomas Aquinas, 'Self-Reliance' by Ralph Waldo Emerson and 'Armstrong on combinatorial possibility' by David Lewis
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 |