You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'Mathematics and the Metaphysicians' by Bertrand Russell and 'Introducing the Philosophy of Mathematics' by Michle Friend
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| A. | Modes of Thought | |
| B. | Mechanics of Thought | |
| C. | Content | |
| D. | Concepts | |
| E. | Abstraction |