You have chosen 'Matters of Mind' by Scott Sturgeon, 'Fourfold Root of Princ of Sufficient Reason' by Arthur Schopenhauer and 'An Argument for the Identity Theory' 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 |