You have chosen 'Commentary on the Metaphysics' by Avicenna (Abu Ibn Sina), 'Travels in Four Dimensions' by Robin Le Poidevin and 'The Identity of Indiscernibles' by Max Black
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 |