You have chosen 'Elements of Geometry' by Euclid, 'The Foundations of Empirical Knowledge' by A.J. Ayer and 'The Character of Physical Law' by Richard P. Feynman
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 |