You have chosen 'From an Ontological Point of View' by John Heil, 'On Duties ('De Officiis')' by M. Tullius Cicero and 'Letters to the Lord Marquis of Newcastle' by Thomas Hobbes
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 |