You have chosen 'The Logic of Boundaryless Concepts' by Ian Rumfitt, 'Principle of Life and Plastic Natures' by Gottfried Leibniz and 'The Sign of Four' by Arthur Conan Doyle
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 |