You have chosen 'What is Logic?st1=Ian Hacking' by , 'The Raft and the Pyramid' by Ernest Sosa and 'Review of Husserl's 'Phil of Arithmetic'' by Gottlob Frege
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 |