You have chosen 'Elucidation of some points in E.Schröder' by Gottlob Frege, 'The Principles of Mathematics' by Bertrand Russell and 'Letters to Samuel Masson' by Gottfried Leibniz
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Thought, or select a subheading: |
| A. | Modes of Thought | |
| B. | Mechanics of Thought | |
| C. | Content | |
| D. | Concepts | |
| E. | Abstraction |