You have chosen 'The Big Book of Concepts' by Gregory L. Murphy, 'Frege's Concept of Numbers as Objects' by Crispin Wright and 'Letters to Russell' by Gottlob Frege
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Knowledge Sources, or select a subheading: |
| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |