You have chosen 'On Duties ('De Officiis')' by M. Tullius Cicero, 'Counterfactual Dependence and Time's Arrow' by David Lewis and 'Is Mathematics purely Linguistic?' by Bertrand Russell
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 |