You have chosen 'The Raft and the Pyramid' by Ernest Sosa, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'A Universe from Nothing' by Lawrence M. Krauss
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 |