You have chosen 'The Value of Science' by Henri Poincaré, 'The Origin of the Species' by Charles Darwin and 'Letter to Peter Wilhelm Lund' by Sren Kierkegaard
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 |