You have chosen 'Are there propositions?' by Gilbert Ryle, 'Boole calculus and the Concept script' by Gottlob Frege and 'Commentary on the Metaphysics' by Avicenna (Abu Ibn Sina)
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Reason, or select a subheading: |
| A. | Nature of Reason | |
| B. | Laws of Thought | |
| C. | Styles of Reason | |
| D. | Definition | |
| E. | Argument | |
| F. | Fallacies |