You have chosen 'On the Plurality of Worlds' by David Lewis, 'Remarks on the Foundations of Mathematics' by Ludwig Wittgenstein and 'Eight Theories of Ethics' by Gordon Graham
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 |