You have chosen 'Elucidation of some points in E.Schröder' by Gottlob Frege, 'The Justification of Deduction' by Michael Dummett and 'On Nature Itself (De Ipsa Natura)' by Gottfried Leibniz
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 |