You have chosen 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero, 'Queries to the 'Opticks'' by Isaac Newton and 'The Value Problem' by John Greco
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 |