You have chosen 'The Mental Life of Some Machines' by Hilary Putnam, 'On the Nature of Mathematical Reasoning' by Henri Poincar and 'Preface to Universal Characteristic' 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 |