You have chosen 'Axiomatic Theories of Truth (2005 ver)' by Volker Halbach, 'The Problem of Knowledge' by A.J. Ayer and 'Mental Acts: their content and their objects' by Peter Geach
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 |