You have chosen 'Substance and Essence in Aristotle' by Charlotte Witt, 'On the Concept of Number' by David Hilbert and 'An Argument for the Identity Theory' by David Lewis
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 |