You have chosen 'The Philosophy of Logic' by Hilary Putnam, 'Against the Professors (six books)' by Sextus Empiricus and 'Principles of Philosophy of the Future' by Ludwig Feuerbach
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 |