You have chosen 'On Plural Reference and Set Theory' by Helen Cartwright, 'Identity and Reference' by Michael Lockwood and 'Launching Points to the Realm of the Mind' by Porphyry
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 |