You have chosen 'Groundwork of the Metaphysic of Morals' by Immanuel Kant, 'Fact, Fiction and Forecast (4th ed)' by Nelson Goodman and 'Ontological Categories' by Jan Westerhoff
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 |