You have chosen 'Elements of Mathematical Logic' by Jan Lukasiewicz, 'The Tragic Sense of Life' by Miguel de Unamuno and 'New System and Explanation of New System' 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 |