You have chosen 'On the Principles of Indiscernibles' by Gottfried Leibniz, 'An Essay on Free Will' by Peter van Inwagen and 'Principles of Nature and Grace based on Reason' by Gottfried Leibniz
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Science, or select a subheading: |
| A. | Basis of Science | |
| B. | Scientific Theories | |
| C. | Induction | |
| D. | Explanation |