You have chosen 'Boole calculus and the Concept script' by Gottlob Frege, 'Confessio naturae contra atheistas' by Gottfried Leibniz and 'Counting and the Natural Numbers' by Jeffrey H. Sicha
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 |