You have chosen 'On What Grounds What' by Jonathan Schaffer, 'On the Concept of Number' by David Hilbert and 'Investigations in the Foundations of Set Theory I' by Ernst Zermelo
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 |