You have chosen 'works' by Sigmund Freud, 'Elements of the Philosophy of Right' by Georg W.F.Hegel and 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell
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 |