You have chosen 'Material Beings' by Peter van Inwagen, 'Why the Universe Exists' by New Scientist writers and 'Counterpart theory and Quant. Modal Logic' by David Lewis
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 |