You have chosen 'A Theory of Universals' by David M. Armstrong, 'Against the Ethicists (one book)' by Sextus Empiricus and 'Must We Believe in Set Theory?' by George Boolos
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 |