You have chosen 'Ancient Thought in Modern Physics' by Werner Heisenberg, 'Preface to 'Principles of Philosophy'' by Ren Descartes and 'The Question of Ontology' by Kit Fine
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 |