You have chosen 'Geometrical Method and Metaphysics' by Gottfried Leibniz, 'Boole calculus and the Concept script' by Gottlob Frege and 'How free does the will need to be?' by Bernard Williams
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 |