You have chosen 'What is so bad about Contradictions?' by Graham Priest, 'Definitiones cogitationesque metaphysicae' by Gottfried Leibniz and 'Intro to 2nd ed of Principia Mathematica' 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 |