You have chosen 'Mad Pain and Martian Pain' by David Lewis, 'Conjectures and Refutations' by Karl Popper and 'Pref to new 'Materialist Theory'' by David M. Armstrong
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 |