You have chosen 'The Sign of Four' by Arthur Conan Doyle, 'Letters to Samuel Masson' by Gottfried Leibniz and 'Rules for the Direction of the Mind' by Ren Descartes
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 |