You have chosen 'Introduction to the Theory of Logic' by José L. Zalabardo, 'Groundwork of the Metaphysic of Morals' by Immanuel Kant and 'Abduction and Induction' by Charles Sanders Peirce
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 |