You have chosen 'Individuals without Sortals' by M.R. Ayers, 'Principles of Nature and Grace based on Reason' by Gottfried Leibniz 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 |