You have chosen 'Refutation of All Heresies' by Hippolytus, 'The Logic of What Might Have Been' by Nathan Salmon and 'What are Sets and What are they For?' by Oliver,A/Smiley,T
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 |