You have chosen 'On Second-Order Logic' by George Boolos, 'What are Sets and What are they For?' by Oliver,A/Smiley,T and 'Substance and Essence in Aristotle' by Charlotte Witt
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 |