You have chosen 'The Periodic Table' by Eric R. Scerri, 'Reflections on Knowledge, Truth and Ideas' by Gottfried Leibniz and 'Aspects of Scientific Explanation' by Carl Hempel
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 |