You have chosen 'Investigations in the Foundations of Set Theory I' by Ernst Zermelo, 'A Mathematical Introduction to Logic (2nd)' by Herbert B. Enderton and 'Letter on Freedom' by Gottfried Leibniz
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 |