You have chosen 'Intro to Positive Philosophy' by Auguste Comte, 'Armstrong on combinatorial possibility' by David Lewis and 'Regressive Method for Premises in Mathematics' by Bertrand Russell
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 |