You have chosen 'The Logic of Scientific Discovery' by Karl Popper, 'Human Freedom and the Self' by Roderick Chisholm and 'The Life of Reason' by George Santayana
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 |