You have chosen 'The Fixation of Belief' by Charles Sanders Peirce, 'The Barcan Formula and Metaphysics' by Ori Simchen and 'Preface to Universal Characteristic' by Gottfried Leibniz
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 |