You have chosen 'Aristotle and Descartes on Matter' by Gottfried Leibniz, 'Why the Universe Exists' by New Scientist writers and 'A World of Propensities' by Karl Popper
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 |