You have chosen 'Investigations in the Foundations of Set Theory I' by Ernst Zermelo, 'On the True Doctrine (Against Christians)' by Celsus and 'Phenomenology of Perception' by Maurice Merleau-Ponty
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| A. | Basis of Science | |
| B. | Scientific Theories | |
| C. | Induction | |
| D. | Explanation |