You have chosen 'Good and Evil' by Peter Geach, 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell and 'Sententia on 'Posterior Analytics'' by Thomas Aquinas
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 |