You have chosen 'Criterion of Validity in Reasoning' by Charles Sanders Peirce, 'Process Philosophy' by Johanna Seibt and 'The Foundations of Mathematics (2nd ed)' by Kenneth Kunen
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 |