You have chosen 'Sententia on 'De Caelo'' by Thomas Aquinas, 'Our Knowledge of the External World' by Bertrand Russell and 'The Semantic Conception of Truth' by Alfred Tarski
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 |