You have chosen 'Intro to G��del's Theorems' by Peter Smith, 'Conjectures and Refutations' by Karl Popper and 'Abortion and the Doctrine of Double Effect' by Philippa Foot
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| A. | Modes of Thought | |
| B. | Mechanics of Thought | |
| C. | Content | |
| D. | Concepts | |
| E. | Abstraction |