You have chosen 'Frege on Extensions from Concepts' by Tyler Burge, 'Preface to 'Principles of Philosophy'' by René Descartes and 'Conceptual truth and metaphysical necessity' by Robert C. Stalnaker
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 |