You have chosen 'The Value of Science' by Henri Poincaré, 'Phil of Mathematics and Natural Science' by Hermann Weyl and 'Concerning the Author' 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 Criteria, or select a subheading: |
| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |