You have chosen 'The Central Questions of Philosophy' by A.J. Ayer, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'The Barcan Formula and Metaphysics' by Ori Simchen
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 |