You have chosen 'Reply to Fourth Objections' by René Descartes, 'The Nature of Mathematical Knowledge' by Philip Kitcher and 'Introduction to Philosophical Papers II' by David Lewis
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 |