You have chosen 'The Principles of Chemistry' by Dmitri Mendeleev, 'A Mathematical Introduction to Logic (2nd)' by Herbert B. Enderton and 'Pref to new 'Materialist Theory'' by David M. Armstrong
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| A. | Basis of Science | |
| B. | Scientific Theories | |
| C. | Induction | |
| D. | Explanation |