You have chosen 'Sense Data and the Percept Theory' by Roderick Firth, 'The Poverty of Philosophy' by Karl Marx and 'On Plural Reference and Set Theory' by Helen Cartwright
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 |