You have chosen 'Queries to the 'Opticks'' by Isaac Newton, 'Frege's Concept of Numbers as Objects' by Crispin Wright and 'Knowledge and the Philosophy of Number' by Keith Hossack
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 |