You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Counterparts and Identity' by Robert C. Stalnaker and 'How Things Might Have Been' by Penelope Mackie
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 |