You have chosen 'Reportatio' by William of Ockham, 'On the General Idea of Proof Theory' by Dag Prawitz and 'Investigations into Logical Deduction' by Gerhard Gentzen
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Knowledge Sources, or select a subheading: |
| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |