You have chosen 'Letters to a German Princess' by Leonhard Euler, 'Commentary on the Metaphysics' by Avicenna (Abu Ibn Sina) and 'Real Essence' by Jan-Erik Jones
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Knowledge Aims, or select a subheading: |
| A. | Knowledge | |
| B. | Certain Knowledge | |
| C. | Knowing Reality |