You have chosen 'Regressive Method for Premises in Mathematics' by Bertrand Russell, 'On the Principles of Indiscernibles' by Gottfried Leibniz and 'The Identity of Indiscernibles' by Max Black
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 |