You have chosen 'On Formally Undecidable Propositions' by Kurt Gödel, 'Against the Logicians (two books)' by Sextus Empiricus and 'Investigations in the Foundations of Set Theory I' by Ernst Zermelo
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 |