You have chosen 'Letters to Jourdain' by Gottlob Frege, 'Real Natures and Familiar Objects' by Crawford L. Elder and 'Groundwork of the Metaphysic of Morals' by Immanuel Kant
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 |