You have chosen 'The Evolution of Logic' by William D. Hart, 'The Big Book of Concepts' by Gregory L. Murphy and 'What are Sets and What are they For?' by Oliver,A/Smiley,T
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 |