You have chosen 'Reply to Fourth Objections' by René Descartes, 'The Will to Believe' by William James and 'Grundlagen (Foundations of Theory of Manifolds)' by George Cantor
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 |