You have chosen 'On Hippocrates and Plato' by Galen, 'On Eternal and Immutable Morality' by Ralph Cudworth and 'Presidential Address of Am. Math. Soc' by Oswald Veblen
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 |