You have chosen 'What is Logic?st1=Ian Hacking' by , 'The Beautiful in Music' by Eduard Hanslick and 'thirty titles (lost)' by Speussipus
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 |